Used for one run, to big! The Challenger 7 is a runner's must-have. Reimagined from the ground up, this all-terrain shoe offers an updated mesh upper for a secure fit and feel without sacrificing breathability. The cushioning has been increased for unbeatable comfort and comes with proprietary rubber on the bottom for added durability. To address terrain challenges, the lugs in the center are small and tightly spaced, while the lugs on the perimeter are larger for better traction on uneven surfaces. Whatever your run, you'll be ready with the new Challenger 7; that's why it's perfect for trail runners looking to take their experience to the next level!Features: Extended heel pullEngineered meshLaces with 70% recycled nylon and 30% recycled polyester (excluding aglet)Compression molded EVA foam midsoleDurabrasion rubber outsole4mm lugsBest For: Trail RunningAll Terrain Running