Plush and confident for all-day adventures, the Altra Olympus 6 is your new best friend for trail runs, hikes and ultra-races. These technical trail shoes have it all: the cushion to go long, the grip to go fast and the right fit to do it all in comfort. Details: Upper: Altra’s Original FootShape™ Fit is the roomiest in the brand’s line-up. A durable and breathable engineered mesh upper features a premium Achilles pillow for instant step-in comfort. Midsole: A tall stack of compression-molded EVA foam with a 0 mm heel-to-toe drop gives you a plush and balanced ride for fun days on the trails. Outsole: The Vibram® Megagrip™ outsole is a durable and sticky high-performance rubber that works well on both wet and dry surfaces.