La Sportiva Men's Akasha Trail Running Shoe fabric-and-synthetic HIGH CUSHION TRAIL ROCKER sole provides a smooth heel toe transition and comfort on rugged trails, steep terrain and long runs for backcountry racing, trail runs and ultra-marathons HIGHLY BREATHABLE well-vented AirMesh fabrics wick sweat on hot days to control moisture and keep feet cool, comfortable and blister free; Quick drying fabrics and reinforced uppers are ultralight DURABLE REINFORCED uppers and toe cap protect your foot to prevent blowouts even after miles of abuse on the most demanding hikes, trail runs, training runs or high mileage races HIGH GRIP TRACTION from soft Frixion XT rubber outsole stays grippy even on wet rocks, roots or trail running in the rain; Impact Brake System provides confidence on steep descents and tight trails STABILITY AND SUPPORT from high cushioned sole gives you a stable platform on flat rolling trails yet nimble enough for technical terrain, mountain running, steep ascents and high alpine runs