Made of breathable bamboo charcoal fiber, providing warmth and moisture-wicking properties. Stretchable, non-slip, and retains shape for comfortable wear. Can be stretched 2-3 times to fit knees; designed to be worn under clothing without restriction. Helps reduce swelling, inflammation, stiffness, and muscle soreness during recovery. Offers supportive compression for active use in sports such as basketball, football, volleyball, jogging, cycling, running, climbing, tennis, weightlifting, and more. Assists in heat dissipation and sweat absorption during summer months. Soft, skin-friendly fabric ensures breathability and comfort. Provides knee protection and insulation in colder weather. Specifications: Color: Gray Material: Bamboo Charcoal Fiber Size: S, M, L S: Central perimeter 26cm / 10.2 inch, Big Head Circumference 28cm / 11.0 inch, Small Head Circumference 24cm / 9.4 inch M: Central perimeter 28cm / 11.0 inch, Big Head Circumference 32cm / 12.6 inch, Small Head Circumference 26cm / 10.2 inch L: Central perimeter 32cm / 12.6 inch, Big Head Circumference 33cm / 13.0 inch, Small Head Circumference 30cm / 11.8 inch Package Includes: 1 Pair Knee Compression Sleeves Note: Please allow 0-1cm variation due to manual measurement.