Please click for the La Sportiva Size Conversion. Your animal instincts for agility, speed, and stability will come out when youre wearing the La Sportiva Lycan II mid-distance mountain running shoes! Trail-running shoe made of breathable mesh with microfiber reinforcements coated with abrasion-resistant material for protection. TPU toe cap for added durability. Breathable mesh lining for added comfort. 4mm Ortholite Mountain footbed for cushioned support and comfort. Air-mesh lining - in the heel only - for breathability on the trails. Injection-molded EVA midsole with external structure for shock absorption. Lightweight FriXion XF 2.0 outsole compound features differentiated lugs and the Impact Brake System that provides superior traction and excellent grip on all technical mountainous terrain. Lug depth: 6mm deep v-groove pattern with AT-Spike compatibility. Last: Tempo Imported. Measurements: Weight: 11 oz Product measurements were taken using size 41 (US Mens 8.5), width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.