The liner sock and outer sock knit into one in this comfortable innovation from Wigwam. Ultra-smooth toe closure and lightweight jersey sole. Inner layer: 100% Olefin; Outer layer: 38% Merino wool, 38% stretch nylon, 18% 4-channel polyester, 6% Spandex.

Medium fits women's sizes 6 to 10 or men's sizes 5 to 9 1/2.