1. Strong toughness, good wear resistance, and also has strong elasticity and elastic recovery. 2. Non-toxic, with good stability, aging resistance, heat and compression without deformation. 3. Adopting enveloping design, care for the soles of the feet, sports ankle support, wear more stable, and walk more comfortable. 4. It can better protect the ankle during fitness and sports, soft and breathable, high performance. 5. Prevent your ankle from being caught, bruised or pinched by the laces on the front of the skates or boots. Specification: Item Type: Heel Protective Sock Material: Silicone+Nylon Color: Skin Color Product Length: Approx. 19.8cm/7.8in Product Width: Approx. 9.2cm/3.6in Weight: Approx. 55.0g/1.9oz Quantity: 1Pair Package List: 1 Pair x Heel Protective Sock Note: Pure manual measurement, there may be errors.Adopting enveloping design, care for the soles of the feet, sports ankle support, wear more stable, and walk more comfortable. It can better protect the ankle during fitness and sports, soft and breathable, high performance. Prevent your ankle from being caught, bruised or pinched by the laces on the front of the skates or boots. Strong toughness, good wear resistance, and also has strong elasticity and elastic recovery. Non-toxic, with good stability, aging resistance, heat and compression without deformation.