NEW ALPINESTARS SMX-1 ROAD RIDING BOOTS/SHOES, WHITE/BLACK, EUR-45/US-10.5 Upper constructed from lightweight microfiber Breathable mesh inserts and perforated side panel for enhanced ventilation. External TPU protection on the outer ankle Foam backed, double density ankle protector on the medial side External TPU shift pad, slider and heel counter Reinforced toebox layered under the microfiber upper Plush 3D mesh inner liner Combination zipper and Velcro brand closure strap closure system Outsole constructed with the same advanced rubber compound as the SMX 5 Boot Integrated shank in the sole for extra rigidity Anatomically profiled EVA foam footbed