From daily training to race day, these La Sportiva trail-running shoes do it all. XFlow™ supercritical foam provides responsive cushioning. The bi-compound outsoles have 4 mm lugs for traction. Features Recycled high-tenacity mesh uppers combine breathability, durability and secure comfort Cushioned, gusseted tongues enhance midfoot lockdown and keep debris out Midfoot wrapping system securely wraps foot from midsole to laces for enhanced stability Recycled thermoformed TPU mudguards and toe caps are lightweight and protective Updated heel shape and collar height minimize movement and reduce blister risk 100% recycled XFlow™ supercritical foam footbeds provide responsive cushioning and all-day comfort Updated XFlow™ midsoles with nitrogen-infused EVA deliver consistent cushioning, reactivity and durability Progressive rocker facilitates a smooth and efficient forward motion FriXion® Red bi-compound outsoles with 4 mm LaSpo™ lugs feature durable heel rubber and high-grip forefoot rubber Weight (half pair): 9.3 oz. Technical Specs Best Use Trail Running Trail-Running Shoe Type Rugged-Trail Running Shoe Cushioning Moderate Cushion Heel-to-Toe Drop (mm) 6 Heel Stack Height (mm) 34 Forefoot Stack Height (mm) 28 Footwear Height Ankle Footwear Closure Lace-up Upper Recycled high-tenacity air mesh (100% recycled polyester), nylon midfoot cage Lining Heel: recycled 3D air mesh; forefoot: recycled multilayered mesh Midsole Compression-molded XFlow™ EVA + NITRO, polyurethane-coated FlowFilm™ Support None Outsole Bi-compound Frixion® XT 2.0 Rock Plate Yes Vegan Yes Weight (Pair) 1 lb. 2.6 oz. Gender Men's Sustainability Contains recycled materials From a Climate Label Certified brand