Heat moldable Custom-fit Technology. Innovative "Surround" upper pattern provides perfect balance of holding power and absolute all-day comfort. TEIJIN AVAIL100 ultra-fine fiber synthetic leather. Excellent shape-retention by unique balance of high rigidity and elasticity. Stretch resistant, superior durability and lightweight. Adaptable mechanical closure system adjusts to various instep height and shapes. Expanded Custom-Fit sections for greater support and comfort. 3D breathable mesh for optimal ventilation. Custom Fit reinforced ergonomic heel cup ensures a comfortable, performance-enhancing fit. INSOLE: Custom-Fit insole, heat moldable insole with adaptable arch wedge provides custom natural foot. LAST: Shimano Dynalast provides a precise fit and improves pedaling efficiency. SOLE: Ultra-rigid, lightweight hollow channel, weaved carbon fiber sole. Available in half sizes and wide type. Best matched with PD-9000.