Cotton fabric Machine Wash PREMIUM MATERIAL - Natural combed cottons are grown using methods and materials that have a low impact on the environment,is simply better for your health. Fibre with strong elasticity, breathable and comfortable, these women low ankle socks are ideal for indoor and outdoor activity WELL MADE CUFF - The Ergonomically designed with arch support well made cuff make short womens socks fit your feet perfectly, will not be tight and neither loose,soft, elastic,quick-drying,machine washable NOT SLIDE DOWN - Ankle no show socks women with 3 silicone heel grip technology ensures non-slip and your loafer socks stay put all day long INVISIBLE WEAR - The invisible socks for women with basic colors creates an invisible wear inside shoes. Suitable for lady's shoes, like sneakers, loafers and sport / athletic shoes (NOTE: This socks is NOT a SUPER LOW socks for Women Flats or extreme low fashion slip-ons )