The ToeSox range of five toe design socks have been designed to create a more natural, independent toe movement, which aids in strengthening feet muscles as well as improving overall circulation, balance and posture. These longer leg ToeSox Full Toe Organic Cotton Knee High Socks have the patented non-slip grip sole, making them an excellent choice for classically barefoot activities such as yoga, Pilates, ballet and dance, barre work, martial arts and others.ToeSox also have seamless design, fitted heels and arch support woven into the breathable, 90% organic cotton rich stretch fabric, for increased foot protection and optimal fit.(02/15)