Cycling Shoes

The perfect shoe for enduro and downhill, the Sidi Dimaro Trail is adaptable for flat or SPD pedals. Offering high performance during a race with great pedal grip and control, with the flexibility and comfort of a trail hiking shoe. -The closure system is simple and fast, the laces allow to adjust the closure while the hook-and-loop closure keeps the laces blocked and offers extra protection from debris -The heel is equipped with a collar made of elastic material that prevents dust and debris entry -The Vibram rubber sole is stiff and smooth, with the perfect balance between stability and flexibility required for gravity riding -The sole is designed for flat and SPD pedals, with an easily removable insert

A fast and efficient shoe with tested strength and grip for the most demanding rides. Intuitive adjustments and a clean design make the Sidi Fast 2 an easy-to-use high-performance shoe. -The Single Tecno-3 system creates a perfect tension balance between the shoe's internal and external side, guarantees an excellent closure adapting to every instep -The newly designed integrated heel cup is lightweight and reinforced to avoid deformations after prolonged strenuous use -The Aerolite sole is designed to maximize aerodynamics and power transmission -The nylon and carbon fiber construction of the Aerolite Sole provides the ideal balance of stiffness for efficient power transfer, and flexibility for comfort -The Fast 2 includes a user replaceable polyurethane heel pad for improved stability and traction off the bike

Specifically designed for gravel rides and long hours of cycling on terrain full of surprises, the Sidi Gravel shoe offers comfort and stability on road and off. -The Tecno-3 Push System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -All new proprietary Sidi Wire material that is completely non-binding for intuitive and effortless on-the-fly adjustments -Like most Sidi small parts, the Tecno-3 System is serviceable and replaceable -Polyurethane shock absorber with inner padding designed to protect your feet -The reinforced heel cup that stabilizes and supports the heel. Anatomically shaped plastic, reduces heel slip and provides increased power transfer -Provides additional foot protection in the event of a crash -The Sidi MTB Competition Sole has been specifically designed for gravel biking and can be fitted with two toe spikes on the front for traction in difficult and muddy conditions. Toe spikes are sold separately

The Sidi MTB Speed 2 is a fast, efficient and durable shoe tested for the most difficult off road terrain. The ease of adjustment and clean design make it reliable and intuitive to use. -The Tecno-3 System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -Like most Sidi small parts, the Tecno-3 System is serviceable and replaceable -The Sidi MTB Competition Sole has been specifically designed for mountain biking and can be fitted with two toe spikes on the front for traction in difficult and muddy conditions. Toe spikes are sold separately -The reinforced heel cup stabilizes and supports the heel. Anatomically shaped to reduce heel slip and increase power transfer

A new standard Trek Velocis Road Cycling Shoe is a high-performance road shoe designed for committed cyclists who need power and everlasting comfort on every road ride, no matter the distance. All-new METNET relief zones deliver flex in all the right places. Two Li2 BOA dials provide a secure and precise fit. A carbon composite plate ensures excellent power transfer. - METNET relief zones stretch and conform to the foot to relieve common hot spots and discomfort - InForm Pro Last provides an ergonomically optimized, high-performance fit - Dual Li2 BOA dials provide low-profile, on-the-fly micro-adjustability for a precision fit - OCLV Carbon and fiberglass composite plate provides excellent power transfer - Compatible with 3-bolt cleat systems

The all-new Union BOA® Shoes are set to take your mountain bike adventures to new, more adjustable, and sendier levels of "yew!" Get more power to the pedal and customize your fit to perfection with the dual BOA® Li2 system featured in these trail-ready shoes. Built with robust features including a molded cap design to protect against rock strikes, the Union mountain bike shoes handles the rigors of trail abuse with ease. With a lightweight and precise fit, the low-profile, custom-tuned midsole ratchets up your pedal grip and feel, giving you more comfort while you shred. Power to the pedal is optimized care of the molded internal stiffening plate, but it's not stiffness at the expense of off-bike comfort. Should you have to hike-a-bike around that downed tree, you're all good. The sole is designed using the Ultratac™ rubber compound, with the engineered tread pattern providing best-in-class grip and durability, while the 2-bolt cleat system is compatible with most major clipless pedal suppliers. Versatile and with understated style, Union BOA® Clipless MTB Shoes were born to rip, transitioning from sweet single track to your post-ride tailgate brews with ease. - Clipless mountain bike shoes with Boa® - Dual Boa® Li2 system secure, on-the-fly adjustability - Ultratac™ outsole balances grip and durability - Reinforced toe for protection against rock strikes

With exceptional warmth and waterproofing for the coldest and wettest conditions, a heat-reflecting insole, and a QuickLace system that's housed under the outer shroud, your coldest days on the road are soon to be your favorite. The all-new Blaze is our core winter cycling shoe, featuring modern technical materials and design to reduce bulk while delivering exceptional warmth and weatherproofing for conditions down to -10° C /14° F. The heart of the Blaze is an internal, moisture-wicking mountain bike shoe that's fully insulated with a channeled, high-loft Primaloft synthetic sheath featuring 10,000 W/P + 10,000 GM2 wind- and waterproof performance plus a heat-reflecting insole and protective reinforcement in key wear zones. The result is a breakthrough in warm, dry comfort with purpose-driven details that inspire confidence to pedal through the toughest winter riding conditions. Specs: - Upper Construction: Stretch woven face fabric with 10,000 w/p + 10,000 GM2; film channeled, high-loft fleece interior plus elastic outer collar Primaloft synthetic insulation; Fully seam-sealed stitching; Breathable, moisture-wicking mesh upper inner shoe; Thermobonded rubber toe and heel reinforcements; Integrated ankle padding; Reflective detail at heel and side profile - Reflectivity: Reflective detail at heel and side profile - Footbed: Heat-reflective insole with high loft fleece and laminated foil - Outsole: Nylon-composite plate; Dual-injected "Ice grip" soft rubber outsole; Stainless steel hardware - Weight: 385g (Size 42)

The Sidi Zero Gore 2 will keep your feet dry and warm on the coldest days thanks to the Gore-Tex lining that is totally waterproof. -Sidi's Tecno-3 System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -The proprietary Sidi Wire material is completely non-binding for intuitive and effortless on- the-fly adjustments -Like most Sidi small parts, the Tecno-3 System is serviceable and replaceable -The Sidi Heel Cup stabilizes and supports the heel, reduces heel slip and provides increased power transfer -The redesigned Millenieum 5 Sole is constructed from injected carbon fiber in a nylon matrix. This infusion of carbon fiber in the nylon increases sole stiffness and durability, ensuring optimum performance in the face of prolonged use and temperature changes -For walkability, Sidi cycling shoes include a replaceable polyurethane heel pad

Ragnarök Tall is the remedy for cool and wet conditions. Our shoulder-season performance shoe features a waterproof membrane and tall neoprene cuff to regulate moisture and keep out mud and grit. A redesigned opening makes Ragnarök easy to put on and take off, and a floating three-finger overflap allows riders to dial in the perfect fit. Ragnarök's real rubber outsole has an aggressive tread for walking in mud and features a 2-bolt cleat mount. End uncomfortable rides with Ragnarök's unrivaled weather protection. - Features: Tall neoprene cuff keeps debris out; easy on and off; floating three-finger overflap allows the BOA laces to tighten where they need to for an optimal fit. - Upper: Premium microfiber, neoprene ankle, abrasion-resistant Tec Tuff toe and heel - Outsole: Real rubber with anti-slip microglass filament lugs - Midsole: Fiberglass-injected nylon with high impact resistance - Closure: Side-mounted BOA Li2 dial and lacing system - Sizes: Mens wide 36–50 (no size 49), full sizes only - Lasts: Performance last designed for rigorous training and competition positions the foot for optimal energy transfer, with a roomy forefoot that provides comfort on longer rides - Suggested Temp Range: 25ºF+ / -3ºC+

ROAD COMPETITION LEVEL SHOES INFUSED WITH S-PHYRE DNA. FEATURES - Integrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Ultra-rigid hollow carbon midsole efficiently vents air and drains water. - Supple high-density synthetic leather with perforation and lightweight mesh/TPU combination bring superior fit and comfort. - Dual independent BOA® L6 dials allow quick, micro tension adjustments. - Adjustable powerzone lace guide securely holds forefoot. - SHIMANO DYNALAST promotes smoother pedaling and more efficient power transfer.

Shimano RC702 Wide Bicycle Shoes ROAD COMPETITION LEVEL SHOES INFUSED WITH S-PHYRE DNA. FEATURES - Integrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Ultra-rigid hollow carbon midsole efficiently vents air and drains water. - Supple high-density synthetic leather with perforation and lightweight mesh/TPU combination bring superior fit and comfort. - Dual independent BOA® L6 dials allow quick, micro tension adjustments. - Adjustable powerzone lace guide securely holds forefoot. - SHIMANO DYNALAST promotes smoother pedaling and more efficient power transfer.

Engineered for speed and precision for those efforts where every second counts, the RC702W is a race ready women's shoe infused with S-PHYRE DNA. Shimano DYNALAST technology, seamless upper construction, and fine-tuned features deliver a shoe that's dialed for exceptional performance whether you're pushing for the podium or your next personal best. Features: - High Performance Cycling Shoe: the RC702W is a women's competition level road shoe - Carbon Composite Sole: light and rigid to increase pedaling efficiency and power transfer - Precise Fit: dual BOA® L6C dials offer micro-adjustments for a secure fit with no pressure points - Women's Sizing: designed with a women's specific last for a natural, comfortable fit - Cleats sold separately PERFORMANCE MEETS COMFORT A supple, high-density perforated synthetic leather and lightweight mesh/TPU combination make for a breathable, comfortable shoe. The adjustable powerzone lace guide holds the forefoot, with dual BOA® L6C dials to customize fit with a quick spin of the knob. SUPERIOR POWER TRANSFER The RC702W's carbon composite sole makes powering through each pedal stroke a breeze, while DYNALAST technology secures your foot in place to reduce power loss at the pedal. The optimized toe-spring section reduces tension in your feet, calves, and hamstrings, lessening fatigue to ensure you're going strong to the very last mile.

For elite cross-country racers who need class-leading stiffness, superior fit, premium materials, and lightweight, the SCOTT MTB RC shoe is the only choice. This shoe offers a dual-zone BOA IP-1 lacing system that delivers ultimate comfort and response, allowing on-the-fly adjustability in two separate zones. We placed an upper BOA IP-1 closure at the top of the shoe and a midfoot IP-1 reel with power zone guides to allow 2:1 pull across the forefoot. It features an asymmetric microfiber airmesh conforming upper with an adaptive fit pattern. The ErgoLogic insole features an adjustable arch support and metatarsal button. A super light ASE EVA outsole with minimal Sticki rubber tread unites all the benefits of our lightest, most exotic materials in this all-day shoe for elite racers. The carbon fiber outsole has a high stiffness index of 10. - Extreme Stiffness - index 10 - Mesh/microfiber upper - HMX carbon sole - Ultra lightweight - BOA system w/ micro adjustment - Sticki Rubber - ErgoLogic adjustable insole

Take charge of the road with full-featured performance and comfort. To make a full-featured shoe that can handle extended miles and hard roads, we started with an ultralight monofilament mesh Synchwire upper that fits and feels like a second skin, then added thermal-welded TPU for structural support and resistance to grit and grime. Fast, intuitive fit adjustment is guaranteed with dual Boa L6 buckles, steel laces, and soft lace guides that allow you to get a precise fit with even pressure distribution to ensure comfort with every turn of the pedals. And finally, the advanced carbon composite plate ensures efficient power transfer and responsive feel at the pedals, while allowing 5mm of adjustment for optimal cleat positioning. Upper construction: - One-piece Synchwire upper with thermo-bonded exo-structure - Laser-perforated ventilation throughout - Dual Boa L6 dials featuring 1mm adjustment and macro release, with steel lace and soft lace guides - Reflective heel tab Footbed: - 3D-molded footbed with medium arch support Outsole: - Carbon-composite 3-bolt plate - Dual-injected TZU walking pads - Stainless steel hardware with 5mm fore/aft adjustment Product weight: - 265 grams (Size 42)

Great for riding on the course or off the beaten track, the Sector mountain bike shoe is ready to power up for adventures. Race-ready. Adventure inspired. The Sector combines a supple, breathable Synchwire upper with a stout carbon-composite plate and an aggressive, dual-injected rubber outsole for excellent traction that won't de-laminate or break down. A supportive 3D molded footbed with Aegis anti-microbial treatment enhances comfort and fit, which is adjustable via dual BOA L6 dials featuring 1mm adjustment and macro release. It's a great choice for riders looking for inspired performance that's capable on the course or off the beaten track. - One-piece Synchwire upper with thermo-bonded exo-structure - Reinforced heel and toe sections - Dual Boa L6 dial featuring 1mm adjustment and macro release, with steel lace and soft lace guides - 3D molded footbed with medium arch support - Carbon-composite 2-bolt plate with dual-injected rubber outsole - Stainless steel hardware - 342 grams (size 42)

Experience ultimate power transmission with the XC9 S-Phyre mountain shoes. Synthetic Leather - Lighter, stronger and more durable than natural leathers Reinforced Spike Mount - Reinforced spike mount for extreme conditions External Heel Cup - External curved heel cup suppresses foot twist and roll Carbon Sole/Mid Sole - Carbon fiber composite sole/mid sole Carbon Plate - Inserted in ball-grid section Harder Contact Block - Promotes stability and pedaling efficiency - Dedicated X-Country and Cyclocross no-compromise racing shoes - Low stack height sole helps stabilize foot during the downward pedaling stroke - A one-piece surround upper, narrow bottom, rounded heel, and slim toe box provide a glove-like fit - Dual independent Boa IP1 dials allow quick and precise micro-adjustment - Adjustable powerzone wire guide holds forefoot securely - Proprietary MICHELIN outsole minimizes weight and offers increased traction

Push your limits in the great outdoors. These women's Five Ten biking shoes feature the BOA® Fit System for a custom fit. Seamless overlays offer abrasion resistance through rough terrain. The clipless shank is compatible with all mountain bikes. Made with a series of recycled materials, this upper features at least 50% recycled content. - Micro-adjustable dial-based BOA® Fit System plus hook-and-loop straps - Synthetic upper with seamless overlays - Non-slip heel cup - Clipless shank - Impact-resistant toe box

These men's Five Ten clipless bike shoes are built for intense pedaling. The BOA® Fit System offers on-the-fly adjustments. A Stealth Marathon rubber outsole balances grip and durability. The impact-resistant toe box adds protection. Made with a series of recycled materials, this upper features at least 50% recycled content. - Micro-adjustable dial-based BOA® Fit System plus hook-and-loop straps - Synthetic upper with seamless overlays - Non-slip heel cup - Clipless shank - Impact-resistant toe box

XC COMPETITION-LEVEL SHOES INFUSED WITH S-PHYRE DNA. FEATURES - Lightweight SHIMANO ULTREAD XC rubber outsole delivers competition-grade grip that lasts. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Rider-tunable spikes allow riders to select and swap spikes to match riding styles and conditions. - Ultra-rigid, lightweight carbon fiber reinforced midsole. - Supple high-density synthetic leather with perforation and lightweight mesh/TPU combination bring superior fit and comfort. - Dual independent BOA® L6 dials allow quick, micro tension adjustments. - Adjustable powerzone lace guide securely holds forefoot. - Low stack height midsole helps stabilize foot, maximizes power transfer and efficiency.

XC COMPETITION-LEVEL SHOES INFUSED WITH S-PHYRE DNA. FEATURES - Lightweight SHIMANO ULTREAD XC rubber outsole delivers competition-grade grip that lasts. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. Rider-tunable spikes allow riders to select and swap spikes to match riding styles and conditions. - Ultra-rigid, lightweight carbon fiber reinforced midsole. - Supple high-density synthetic leather with perforation and lightweight mesh/TPU combination bring superior fit and comfort. - Dual independent BOA® L6 dials allow quick, micro tension adjustments. - Adjustable powerzone lace guide securely holds forefoot. - Low stack height midsole helps stabilize foot, maximizes power transfer and efficiency.

To give a break to the 26 bones that squash and squeeze in your foot while you’re riding, we have patented a unique X-Comfort Zone. It’s a small section inside the shoe that can expand up to 5 millimeters to prevent numbness. Without any extension system, the toes end up on top of each other and get numb. Thanks to this innovation, you won’t have to end your ride before you’re done ever again. For great performance, we’ve used a carbon composite sole that optimizes energy transfer on the pedal. We wish you an excellent season! - Technology : RACER FIT: High-performance fit reduces stack height to pedal - Integrated X-Comfort Zone technology with better stretch - Outsole: Patented Carbon Composite outsole - Insole: COOLMAX®: Moisture wicking, breathable and ventilated - Closure System: Boa Li2: mechanism generates higher power with finer resolution - Cleats: SPD-SL compatible with 3 bolt

The Lake MXZ303 is a mountain shoe that can handle even the harshest winter conditions, whether you're climbing the mountain side in the rain, or hitting the trail in the freezing cold. The Pittards® WR100 full-grain leather upper is durable, form-fitting, and keeps your feet dry in wet conditions, but is still well-ventilated enough to keep your feet from overheating. The BOA lacing closure provides a secure fit that allows for quick and precise adjustments while you're riding, especially if you're wearing thick winter gloves. The stiffness of the fiberglass injected Hi-Impact nylon outsole ensures optimum pedalling efficiency, and Vibram® Mountain V Rubber lugs provide excellent off-bike traction, which can be further enhanced by the use of optional toe spikes. - Water-resistant Pittard® WR100 Full-grain leather upper is durable to keep you protected from winter conditions - Outlast Temperature regulating heel and tongue liner and 3M Thinsulate™ lining in toe box to help retain heat - Ankle buckle helps prevent water from getting inside - Z Last is specifically designed to be optimized forwinter use, both on and off the bike - BOA lacing closure allows for a perfect fit that's easy to adjust, even with thick winter gloves - Thermasol™ composite insulated insole to keep cold cleats from cooling you foot - Fiberglass-injected Hi-Impact nylon outsole provides great pedalling efficiency - Vibram® Mountain V Rubber lugs provide enhanced walkability - Support for toe spikes to further enhance off-bike traction - SPD (2-Bolt) Cleat Compatibility * If using Crankbrothers pedals, Lake requires that cleats are installed with the shim provided by Crankbrothers, or the Crankbrothers Shoe Shields. Failure to do so will void warranties related to sole damage.

Microtech Microfiber incorporates features of resistance, stability, lightness, transpirability, water-repellency and eco-friendliness. It is manufactured using the "Water-Tech” water treatment: - Lower environmental impact - Less noxious emissions into the air and into the work environment - Water-based products, not solvents, were used, which is beneficial to the environment as well as the final user. The Soft Instep 4 Closure System is a wide, anatomically curved strap combined with a soft, thermo-formed EVA pad that distributes pressure evenly over the instep area. The Soft Instep Closure System is adjustable from both sides, to perfectly center the EVA pad over a high or low instep. The system eliminates the need for the High Instep Extender. The Soft Instep Closure System is replaceable. Sidi's Techno-3 System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit. Sidi's famously reliable and replaceable closures are improved by an all-new proprietary Sidi Wire material that is completely non-binding for intuitive and effortless on-the-fly adjustments. Like most Sidi small parts, the Techno-3 Buckle is serviceable and replaceable. - Reinforced heel cup. - The MTB RS17 SOLE consists of a Nylon and PU blend. This sole is lighter than the traditional competition sole and has been updated with a more aggressive tread pattern and a replaceable toe tread insert. - Regular "D" width last for precise fit.

Look good, feel good, ride good—and adage as old as cycling itself… That’s the idea behind the new Recon ADV, where riding in style is just as important as the actual ride. This gravel shoe checks all the boxes in the aesthetics department but is no slouch when it comes to cranking out miles. Recon ADV is suited for the rider who values adventure, time on the bike, and needs an all-day shoe that will keep going when the gravel ends. Recon ADV’s excellent walkability is made possible by STRIDE toe-flex technology, providing a more natural feeling for off-the-bike adventuring. Don’t let the good looks fool you, this shoe is also built inside-out with our Body Geometry technology, making it a menace on the pedals. Driven by nearly two decades of development and validated by data, we ensure there is no pain points, only performance, where your body meets the bike. Through our creation of the Varus Wedge, Longitudinal Arch, and Metatarsal Button, your feet stay in their most optimal position when pedaling—as well as inline with your knee and hips. - STRIDE toe-flex technology allows greater toe flex for steep inclines inclines and improved walkability - Laser perforated upper features microfiber backing for better moisture management and supple feeling - Ride or hike in confidence with a TPU mudguard that offers protection from stone strikes - Pontoons create a stable pedal platform as well as aiding walking feel - Greater SlipNot rubber tread coverage on sole that’s optimized for gravel traction - Features proven Body Geometry technology like the Varus Wedge to maintain efficient and comfortable hip, knee, and foot alignment while riding

S-PHYRE track racing shoes. Microfiber Synthetic Leather Lighter, stronger and more durable than natural leathers External Heel Cup External curved heel cup suppresses foot twist and roll Carbon Sole/Mid Sole Carbon fiber composite sole/mid sole Hollow-Channel Lightweight, ultra-rigid hollow outsole Wider Cleat Adjustment Expands range for mounting cleats - Reinforced upper and closure minimizes foot movement and provides greater control of power transmission - Stretch-resistant microfiber synthetic leather upper - Low-profile Boa L6 dial with power boost wire guide - Tailored to sprinters, T.T., and Criterium specialists

Transfer maximum power to the pedals. The Kestral Pro Boa combines our stiffest sole and clipless compatibility for an efficient all-mountain ride. The Boa Fit system means you can dial in a secure fit, while the wide Stealth C4 rubber sole provides confident footing in all terrain. Mesh inserts enhance breathability, and the quick-drying synthetic upper maintains all-weather comfort. - Boa Closure System for micro-adjustment, and secure and consistent hold - Mesh inserts enhance breathability, and the quick-drying synthetic upper maintains all-weather comfort - Stealth C4 rubber sole provides confident footing in all terrain - Durable, lightweight EVA midsole - Enjoy the comfort and performance of OrthoLite sockliner - Regular fit, clipless style

Ultimate road competition shoe with supremely engineered fit and optimum power transfer. FEATURES - 360° surround wrapping upper creates a supremely engineered fit for all riders. - Heel cup with anti-twist stabilization secures optimal foot positioning for intense acceleration and high tempo cadences. - Function-specific zones and scientifically optimized upper materials maximize fit and pedaling performance. - Dual low-profile BOA Li2 dials allow quick and precise micro-adjustments. - Integrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance. - Adjustable powerzone lace guide securely holds forefoot.

KEY FEATURES: - Racing shoe - Ultra lightweight - Stiffness index 10 - HMX carbon sole - Dual BOA® Fit System If you're looking for one package that offers maximum stiffness and minimal weight, the SCOTT MTB RC Evo is your shoe of choice. Primed for pure efficiency, it features an ultra-comfortable TPU airmesh laminate upper. The dual-zone BOA Li2 Fit System allows on-the-fly adjustability at the ankle and at the forefoot. For optimal sole support, the ErgoLogic insole features adjustable arch support and a metatarsal button.

Whatever the journey, Sidi Aertis is there to make it easier and better. The comfort of a premium suede construction meets Firmor Closure technology to offer great lateral support. The nylon sole with replaceable rubber insert allows for maximum grip in any situation and increased walking comfort. -Designed for maximum lateral support the Firmor Closure contours the foot with a solid hold, and allows infinite size adjustment for the ideal individual fit -Sidi's Tecno-3 System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -The closure uses a new proprietary Sidi Wire monofilament that is completely non-binding for intuitive and effortless on-the-fly adjustments -Like most Sidi small parts, the Tecno-3 System is serviceable and replaceable -The Sidi MTB SR17 sole represents the ultimate result in terms of stiffness for pedaling and flexibility for walking -The toe inserts are easily replaceable and offer the possibility to mount spikes for particularly muddy rides

The Sidi Prima is designed for the modern rider. The Prima is easy to wear and adjust, thanks to its Firmor Closure and lightweight upper built to reduce foot fatigue. Its low-profile carbon nylon Aerolite Sole is engineered for efficient power transfer for sprinting, with enough flex and comfort for long rides. -The Single Tecno-3 System creates a perfect balance between the shoe's internal and external side, providing an excellent fit while adapting to every instep -The Sidi Mega Last provides Sidi fit and performance to riders who have slightly wider feet -The Sidi Mega Last is 4mm wider across the ball of the foot, has more volume, a higher instep and a wider heel cup -Mega lasts are sized EE to EEE -The newly designed integrated heel cup is light weight and reinforced to avoid deformations after prolonged strenuous use -Aerolite sole is designed to maximize aerodynamics and power transmission on the bike -The nylon and carbon fiber composite material of the Aerolite Sole provides the perfect balance of stiffness and flex for effortless and comfortable pedaling -For walkability, Sidi cycling shoes include a replaceable polyurethane heel pad