Grab the newspaper or hunker down next to the campfire with the Thermoball Traction Mule from The North Face. Durable, water-resistant element-shedding 100% recyced P.E.T. ripstop uppers. Thermoball insulation are filament synthetic clusters that closely mimic down clusters that trap heat within small air pockets to retain warmth. It offers light weight, loft, warmth and compressibility of down with the wet-weather insulation performance of synthetic. Die-cut EVA and foam comfort footbed. 40% recyced die cut rubber outsole for supreme traction. Measurements: ; Weight: 7 oz ; Product measurements were taken using size 7, width D - Medium. Please note that measurements may vary by size.