Sexy Ballet Elastic Straps: Elegant sexy straps prevent the socks from falling off and the design gives you a unique style. Better Material: The Combed Cotton and 100% Silica Grips have better effect in sweat absorption and providing absolutely anti- skid, non-slip surface on the sock bottom. Sepatated Toes and Toeless Design: Toeless design allows your toes touch the floor or mat, supplying better tactile feel and balance. Comes with a nice gift bag to carry around and keep the socks clean. Size S fits women US 4.5-8.5 for 2 Pack (Black and Gray). 100% Satisfaction Guarantee: If you’re not satisfied with our socks within 60 days of your purchase, we’ll refund your order without any question asked.