【Adjustable Tightness & Perfect Thickness】Easy-to-use crisscross Velcro strapping attaches anywhere along the entire sleeve. Not thick, not thin, this make the ankle support perfect to wear in your shoes, and at the same time enough to protect your ankle. If too thick, can not wear in your shoes, if too thin, not enough to protect your ankle 【One size fit all】We use high quality elastic nylon material, velcro strapping attached design, fit different size foot, fit left and right foot, it is depend on your need 【Non-slip & Silicone inside】Unique design that has silicone in side, add the friction, so that non-slip 【Soft and Comfortable】Made from quality breathable material which increases blood circulation and provides soothing warmth; aids in reducing injury recovery time 【Useful Ankle Support】This is the newest and best ankle support, protects against chronic ankle strain, sprains, and fatigue; ideal for post-surgery recovery. Note: This listing is for a single, if you need a pair, pls order 2pcs