Features: Name:High elastic compression knee pads Specifications: 1pcs Material: Polyester, Lycra Moisture wicking, elastic compression Size:Length Upper circumference,Lower circumference,Suitable for weight M: 38cm 23-27cm 13-15cm 60kg or less L: 39cm 25-29cm 15-18cm 70kg or less XL: 40cm 27-32cm 18-20cm 70kg or more Description: 1. Moisture wicking athletic stretch sleeve keeps your muscles warm thus maintaining the right temperature and flexibility. 2. Improve circulation to protect muscles from future injury, and provide support for athletes with a previous injury. 3.Keep muscles warm thus maintaining the right temperature and flexibility which boosts performance. 4.Reduce elbow pain symptoms and swelling 5.Provide protection against bumps, scrapes, and UV rays. 6.Help you get relief from arm pain and provide muscle stabilization, reduces muscle vibration and fatigue. 7.Increased blood transport to muscles over the entire length. Note: Manual measurement may have 1-2cm error, please prevail in kindincludes:1x Arm Sleeve