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! Extended heel pull Compression molded EVA midsole Durabrasion rubber Breathable mesh Fits true to size Specs 4mm lugs Weight: 7.70oz Heel To Toe Droop: 5mm Best for: Trail running, all terrain running