cotton blend ??Quality Material??We use 78% cotton, 20% nylon, 2% spandex to ensure that our socks are soft, comfortable, stretchy and breathable. No fading, hold up well in the laundry. ??Suitable Size? Our socks are about 40 to 42cm, suitable for women US shoe sizes 8-12, men US shoe sizes 6-10. ??Features? Moisture wicking, ventilation, smell free, soft touch and durable. Match any Outfit on your workday or special-events. ??Performance Fit? No slipping, no bunching, and no blisters. True Seamless: Undetectable seam fusion for an ultrasmooth, invisible. ??All-Purpose Style??Eliminate the need to sort and pair-up, suit for women’s sandals, boots, sneakers, running shoes and dress or formal shoes. The eclectic designs of sassy socks can be worn with casual jeans, wedding dressier suits, business formal outfits.