100% Egyptian cotton, perfectly round and smooth, thanks to its high quality raw material, spun with a special technique, that allows the elimination of all short fibers in the material. That prevents the pilling of the cotton once knitted, making it smooth, soft, matte and strong. These mid-calf length socks are machine washable at 30/40° C. The composition of these thin socks is : 90% cotton, 8% Polyamide, 2% Elastane. This perfect mix offers to the socks solidity & comfort.