With their unique five-toe design, the ToeSox range of socks allow the foot to flex and perform to its full potential, encouraging the toes to separate naturally and properly activate the foot muscles for improved circulation, and optimum balance and posture.These low profile ToeSox Full Toe Organic Cotton Low Rise Yoga Socks expose the ankle and have a heel tab to cover the Achilles and keep the sock in place, along with a properly shaped heel. Woven arch support bands promote foot stability and protect the instep. All ToeSox are made from organic 90% cotton rich yarn, plus stretchy Spandex for a snug, comfortable fit.(02/15)