Blaze new trails in the Altra Olympus 6 sneaker, crafted for plush comfort, long-haul durability, and max grip. Its breathable mesh upper, premium Achilles padding, and soft, responsive midsole keep your feet fresh from first climb to final descent. A Vibram® Megagrip outsole boosts traction on technical terrain, while the roomy Foot Shape™ toe box gives your toes the freedom to move naturally. Engineered Mesh Upper Best For: Trail Running, Hiking Cushion: Max Weight: 9. 5 oz / 269. 32g GAITERTRAP™ Plush EVA Foam Midsole Vibram® Megagrip Outsole Style Code: AL0A85NJ-315