Acrux TR GTX Boot delivers support and comfort under the load of a heavy pack. The SuperFabric® upper employs a unique micro-plated technology that is highly flexible, lightweight, and abrasion resistant. The Vibram® Megagrip outsole and lug geometry give traction in wet or dry conditions, along with a GORE-TEX insert which gives waterproof, breathable protection. Aerios FL Mid GTX is for extended hikes on technical trails. The run-inspired design synthesizes with your foot to minimize friction. GORE-TEX waterproof protection with improved comfort and breathability. Vibram® Megagrip outsole, compressed EVA midsole, provide comfort and stability in all conditions. Norvan LD 2 GTX is built for long distance trail running for all weather conditions. With advanced GORE-TEX protection and an all-season Vibram® Megagrip outsole, this shoe works all year. Progressive materials and construction make a lighter and more durable than our competitors. More Colors available at Arcteryx Flatiron ...