Pearl iZUMi Men's X-Alp Enduro III Spinning Shoe 100% Synthetic and Mesh Synthetic sole Quick drying, highly breathable mesh/synthetic upper delivers comfort and breathability Flexible forefoot and a running shoe beveled heel EVA foam run shoe midsole for off the bike cushioning and comfort Anatomical Buckle Closure System reduces hot spots and removes pressure from your instep Combination closure system with premium buckle and forefoot Hook and Loop straps