1Personalized design, thin and light design, easy to wear, tighten foot pressure. 2Good elasticity, soft and skin friendly, firm sutures, and will not affect various activities. 3Lightweight and breathable, it can better protect feet and is suitable for many occasions. 4Adopts elastic design to fit the curve of the heel without tightness, comfortably fit feet. 5Side is designed with zipper, which is convenient to wear and more comfortable to wear.