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Sizes: 11(men's shoe size 8.5-10), 12(men's shoe size 10.5-11.5), 14(men's shoe size 12-14). Designed for light day hikes and everyday wear, the Everyday Outdoor sock is at home equally in the office or on the trail. Light padding provides protection while fitting in most footwear.Coolmax construction wicks moisture better; feet feel cooler. Thin cushioning in ball/heel for more blister protection than any other thin sock product on the market today. Stretch nylon with a flat knit arch improves fit.Fiber Contents: 87% CoolMax , 9% Nylon, 3% Elastic, 1% PolyesterModel H1CMM.