5-Pair Set of Half-Length Socks, Outer Yarn 100% Cotton Size: 25-27 cm Quality: Outer yarn 100% cotton Cotton, Polyester, Polyurethane Features: * The inner yarn is 100% cotton, which absorbs sweat, and the polyester yarn releases sweat, making them less likely to get stuffy. * Soft and voluminous material. * Two support functions. Support functions at the ankle and arch of the foot to prevent slippage. * Trendy two-line design. No stains, tears, or odors.