Veda Yoga Pilates Socks for Women (2 Pairs) Non-Slip, Non-Skid Silicone Traction Grip Premium quality cotton 85% / polyester 12% / spandex 3% blend yoga/pilates socks with silicone traction grip on the sole Socks give you stability and grip to give you better balance and the confidence to extend your reach, increasing flexibility Sizes: Medium fits 6-9 / Large fits 9-12 Womens Shoe Size (USA) Perfect for studio or home use, soft on your skin, machine washable Lifetime warranty and money back guarantee