EXTREMELY WARM: WEIERYA ski socks are specially designed for cold weather, which will store heat rapidly and lock your temperature effectively; these cotton ski socks warm your feet and ensure that you have a warm and comfortable winter SKIN-FRIENDLY MATERIAL: Made of 72% natural Cotton, 18% premium Chinlon and 10% Spandex, skiing socks are soft and breathable, they won??t irritate the skin or cause skin itching like common wool ski socks, and the blended fabric is more solid and durable EXCELLENT ELASTICITY: The elastic winter sports socks fit your feet and shank well, they won??t be too tight or slipping off; the toe, sole, heel and shin of socks are thickened, so these boot socks are helpful to protect your feet from rubbing and skidding during sports MULTIPLE COLORS AND SIZES: There are 4 colors and 3 sizes (M, L, XL) for you to choose from, including white, black, pink and blue, these men??s and women??s winter thermal socks are suitable for skiing, skating, snowboarding, ice fishing, hiking and other winter outdoor sports EXCELLENT CUSTOMER SUPPORT: We want our customers to be happy – In case you have any questions or issues, do not hesitate to contact us. Our customer service team is always ready to help you and find the best solution for you.