The Olympus 4 is the Olympus like you’ve never seen it before. Inside the overall new look, you’ll find everything you loved about previous versions and more. This max cushion trail shoe features an improved premium tongue for enhanced comfort and a more locked-in feel. The engineered mesh upper is breathable and durable for those long, hot trail days and the InnerFlex midsole offers increased flexibility and performance. To top it off, we kept the trail essentials like the sticky Vibram MegaGrip outsole and always-handy GaiterTrap. FEATURES Weight: 11.6 oz / 329 g Midsole: Compression Molded EVA Outsole: Vibram MegaGrip Cushion: Max Stack Height: 33 mm Upper: Durable, engineered mesh Places your heel and forefoot the same distance from the ground to encourage proper, low-impact form throughout your run. Allows your toes to relax and spread out naturally for more comfort and stability. Grid-like grooves in the midsole allow your foot to flex while being lighter, for more speed and better performance. Hook-and-loop tab allows strapless gaiter attachment that prevents debris from building up beneath the shoe. Canted lugs positioned strategically beneath the metatarsals to provide traction at toe off. A high performance sticky rubber compound featuring unparalleled grip on wet and dry surfaces, rugged longevity and optimal ground adaptability.