Run all day and through the night in these Altra trail-running shoes. Their technical details are made for technical terrain. They have built-in scree sleeves for protection from debris Features Built for durability, protection and comfort for all-day (and all-night) performance-focused trail runs Technical details made for technical terrain 15% lighter and 10% softer than the previous version for a plush underfoot feel in every step Designed with MATRYX® one-piece woven uppers, made for high performance and durability, with built-in scree sleeves for protection from debris Unique Altra EGO™ MAX midsole foam is designed for a little extra bounce and a plush feel Vibram® Megagrip is a high-performance, sticky rubber that offers grip on both wet and dry surfaces, rugged longevity, and optimal ground adaptability With Altra's signature FootShape™ Fit, you get their roomiest toe box—with plenty of room to help your toes move more freely—and space through the midfoot Weight (half pair): 8.8 oz. Technical Specs Best Use Trail Running Trail-Running Shoe Type Rugged-Trail Running Shoe Cushioning Moderate Cushion Heel-to-Toe Drop (mm) 0 Heel Stack Height (mm) 33 Forefoot Stack Height (mm) 33 Footwear Height Ankle Footwear Closure Lace-up Upper MATRYX® one-piece woven Midsole Altra EGO™ MAX Outsole Vibram® Megagrip with TractionLug™ Rock Plate No Weight (Pair) 1 lb. 1.6 oz.
