ALTRA OLYMPUS 5 TRAIL RUNNING SHOE - MEN'SThe Altra Olympus 5 Trail Running Shoe - Men's is a maximum cushioned trail running shoe for softening the blow on uncharted terrain. Comfort is key when it comes to long hours on the trail at speed, so slip into this breathable shoe and enjoy the Original FootShape Fit and the plush Max cushion compression-molded EVA midsole. Your feet will be thankful through every stride and the Vibram Megagrip outsole will grip the variations in terrain you'll meet.FEATURESFootShape comfort gives your feet more space to sit naturally and is designed to address biological differences in men's and women's feetBalanced Cushioning platform positions your heel and forefoot at an equal distance from the ground, encouraging better alignment and better formVibram Megagrip: This high-performance sticky rubber offers unparalleled grip on both wet and dry surfaces, rugged longevity, and optimal ground adaptabilityTrailclaw: Canted lugs on the outsole are strategically placed beneath the metatarsals to provide added traction underfootInnerflex: Grid-like grooves in the midsole are designed to provide flexibility and movementTECH SPECSMidsole: Compression Molded EVAOutsole: Vibram MegagripCushion: MaxStack Height: 33 mmUpper: Durable, engineered mesh