3% spandex ?80% Combed Cotton/ 20% Copper Yarn – The socks are not too thick or too thin, warm in winter and breathable in summer. ??OPPER INFUSED & ANTI-ODOR – The copper ions in the yarn can produce a natural protected area, eliminating 99% of the sweat and smell. The blended copper ion fabric is very soft, smooth and has the capability of wrinkle resistance, moisture wicking, dry fit. It helps to get rid of embarrassing smelly feet. ??OISTURE WICKING – Provides soothes aching muscles, while the fabric maintains airflow so your feet stay dry; Powerful moisture-wicking cotton with mesh venting blend keeps your feet cool and dry, which is super comfortable for casual wear and sports activities. ??REMIUM COMFORT FIT – Mid weight extra pile cushion padding in the heel and ball protect the foot from shear and prevent painful blisters, provide extra protection, shock absorption. Perfect for mountain climbing, football, hiking, running, tennis, marathon, hockey, soccer, basketball, golf, cycling, and other outdoor sports. ??IZE FITS MOST: One size fits most unisex – Mens U.S shoe sizes 6-11, Womens U.S shoe sizes 7-12. Try them on and experience the ultimate comfort.