FitSox Pilates, Yoga, Barre, Ballet, Dance, Fitness, Martial Arts, Gym, Workout, Anti Slip, Non Slip, Grip, Skid, Fall Prevention, Hospital. Socks, Sox, Fit Products. Perfect for Pilates, Yoga, Martial Arts, Dance etc 95% Cotton and 5% Elastane Fits approximately US 8-10 / UK 5-9 / EU 38-44 [approx 23cm in foot length]