Comfortable and Breathable - The yoga socks are made of 80% cotton and 20% blends, combined with high elasticity fabrics, which ensure better effect on sweat absorption and good elasticity. .Non-slip & Foot massage - Cotton Pilates socks are made of non-slip PVC. protect you from falls and help you maintain your balance when exercising. Besides, it also helps you with foot massage. .Ankle Protection - Non-slip sports socks adopt ankle protection design to reduce foot and ground friction, flexible and breathable, providing full rounded protection for your foot. .One size - Available for size in EU 35 - 40, perfect for yoga, Pilates, Dance, Fitness, Ballet, Barre, Maternity, Bikram. .Warranty - 100% Customer Service Satisfaction Guarantee. If you have any questions about our product, please do not hesitate to contact us. .