The greatest combination of softness, durablilty and performance, Ultimax® Pro Series keeps feet dry and blister free, Cushioned sole, Breathable mesh instep, Seamless toe closure. 44% Dri-release® Tencel® (88% Polyester, 12% Tencel), 31% Stretch Nylon, 24% Merino Wool, 1% Spandex. Medium fits men's size 5 - 9.5 and women's size 6 - 10. Large fits men's size 9 - 12 and women's size 10 -13.
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