??80% Combed Cotton/ 20% Copper Yarn – The socks are not too thick or too thin, warm in winter and breathable in summer. ??COPPER INFUSED & ANTI-ODOR – 60% Polyamide/ 25% Copper Yarn/ 15% Elastane. The copper ions in the yarn can produce a natural protected area, eliminating 99% of the bacteria and fungi. 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. ??MOISTURE 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. ??LEFT AND RIGHT – Exclusive left one and right one enjoy your vision more different and unique! Professionally customized for preventing painful blisters for training, sports, every day or simply relaxing. ??SIZE 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.