Featuring an aggressive outsole, burly lugs and a trim fit, the Mutant is built for covering serious terrain. Equipped with the stickiest FriXionA(R) rubber to ensure positive traction over wet and loose trail and the unique FusionGate(TM) lacing system, the Mutant allows for confidence and speed in the mountains. FEATURES: Spyraltongue(TM) Technology for easy entry and a snug, all-encompassing fit Integrated FusionGate(TM) Technology Lacing Harness with High Frequency reinforcements for a fantastic fit Incredible traction with FriXionA(R) XF, our stickiest running shoe sole compound Sublime cushioning tames the trails AWARDS: Trail Runner - Editors&'; Choice, Outside Magazine - Gear of the Year 2015 PRODUCT INFORMATION: ITEM: 26W SIZES: 38 - 47.5 (half sizes) WEIGHT: 10.70oz / 303g LAST: Tempo 2 Ergo FIT: Medium/Wide LACES: 100% Recycled Polyester UPPER: AirMesh / TPU / 4-way stretch dynamic scree guard LINING: AirMesh INSOLE: Ortholite Hybrid with 5% recycled rubber + 15% production waste foam MIDSOLE: Injection molded EVA / TPU stabilizer SOLE: FriXionA(R) XF / V-Groove(TM) with Impact Brake System(TM) DROP: 10mm CUSHIONING: Midsole - 32A SIZE CHART: