High quality breathable neoprene material retains heat and prevents skin irritation; Elastic Spandex removes excess perspiration and allows the skin to breathe and SBR Pad release shock with comfort and stablizer during life Cross straps stabilizes the ankle to restrict plantar flexion and guides the talocrural joint and Achillis tendon to proper motion. Open heel design allows a wide range of motions during activity and still provide support for the ankle tendons and joints Available in two size (S fits for little kid US 12-4 shoe size; M fits for big kid US 5-8 shoe size); The ankle support comes with adjustable straps which allow to meet different requirements and ankle diameters. Ideal for baseball, volleyball, basketball, soccer, ice hockey, tennis, skiing, mountain climbers, skiing, dancing, training and so on Ideal support for post-surgery recovery from ankle sprain, ligaments overstretching, tendon pain analgesic, and general protection against acute and chronic ankle straing caused by high intensity exercises 2 Pack Sports Adjustable Nonslip Ankle Tendon Compression Brace Foot Support Stabilizer Wraps Protector Guard for Children Kids Injury Prevention Protection for Sprains, Sore or Weak Ankles Product Specification: Material: 62% SBR,18.5% OK cloth, 12.5% Terry, 7% Spandex Suitable Sports: Cycling, Running, Basketball, Football, Dance, Jumping, Skateboard, etc. Application: Injury Prevention, Ankle Sprain, Ankle Fracture, Stress Fracture, Arthritis, Tendonitis and other ankle swelling. Size Detail: S fits for little kid US 12-4 shoe size; M fits for big kid US 5-8 shoe size Instruction: 1. Open package and check all product well and inluded. 2. Put the heel on the open hole. 3. Tight the hook and loop closure on the ankle support to a comfortable tightness. 4. Crossover and tighten the crisscross straps to the top part of ankle support. Attention:Legal Disclaimer Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.