Tested and proven for durably waterproof, windproof, & breathable performance, GORE-TEX Invisible Fit is a lightweight, waterproof upper backed by the GORE-TEX GUARANTEED TO KEEP YOU DRY promise. Vibram Megagrip is a high-performance sticky rubber that offers unparalleled grip on both wet and dry surfaces, rugged longevity, and optimal ground adaptability. With Altra’s signature FootShape fit, you get our roomiest toe box with plenty of room to help your toes move freely, and space through the midfoot. This lightweight, waterproof hiker practically screams “Let’s go all day!” With an all-new waterproof lining, leather upper, and grippy outsole, get out in any condition. The updated Olympus 6 Hike Low GTX features GORE-TEX Invisible Fit, a one-of-a-kind lightweight, waterproof lining with protection that won’t weigh you down. A constructed collar is designed for a stable fit on technical terrain. Plus, a leather upper is designed to help improve durability, and the likelihood you’ll keep your toes happy on steep downs. We kept the reliable Vibram Megagrip outsole for grippy traction on wet or dry surfaces. Let your toes stretch out with Original FootShape Fit, our roomiest toe box, with plenty of room to help your toes move more freely, and space through the midfoot. Stay comfortable and Stay Out There.