1Suitable for men and women, and suitable for most shoes, such as boots, leather shoes, sneakers, etc. 2Can be worn under socks or on the heel of shoes as desired, meeting different needs. 3Ushaped stable heel wrap for comfort and safety, wonderful using experience. 4Has a breathable guide grooves at the bottom to facilitate the air flowing of the feet. It doesn't cover the feet and is comfortable to wear in summer. 5Face with mesh cloth, effective ventilation, moisture absorption, antislip;Using SEBS material on the bottom can achieve shock absorption, high elasticity, antiskid and stable effect.