Body Part: 71% Cotton 20% Nylon 4% Polyester 5% Elastic Imported Compression Design (Not for medical use): These socks feature high-grade compression technology, reducing leg fatigue and swelling; they are particularly suitable for exerciser and who stand or sit for long time Premium Cotton Material: Made from natural combed cotton, these socks are comfortable with excellent breathability, effectively wick away sweat and prevent odors, keeping your feet dry and fresh, making them suitable for all seasons and environments Ergonomic Design: Designed according to ergonomic principles, the elastic stocking and texture bottom design ensures the socks non slipping or constricting; Reinforced heel and toe areas make the socks durability and comfort wearing Suit for multi occasion: Whether for daily work, sports and fitness, travel, or recovery use, these compression socks meet your needs; particularly suitable for running, cycling, hiking, tennies, golf, fitness, traveling etc Wash care and sales service: Hand wash or machine wash with regular water temperature, do not hard scrub and hard wring, better not do tumble dry, it have little shrinking after first time wash