Features1Compression knee pads are great for exercise, supporting knee movement during exercise. 2Preventing muscle over tension during strenuous exercise, slight compression of the knee during the exercise. 3Breathable fabric is sturdy and durable, lightweight and tightly fitting to cover your knee joint. 4Designed to provide additional stability and support, stimulate blood circulation and better protect your knees. 5Do not affect the normal movement after wearing, suitable for running, playing basketball or working out in the gym.SpecificationItem Type: Knee BraceMaterial: Blending Material Size LengthLeg CircumferenceM25cm / 9.8in30-35cm / 11.8-13.8inL25cm / 9.8in36-40cm / 14.2-15.7inXL26cm / 10.2in41-45cm / 16.1-17.7inXXL26cm / 10.2in46-50cm / 18.1-19.7in3XL26cm / 10.2in51-55cm / 20.1-21.7inThe leg circumference measurement position is 10cm above the knee, and there will be an error of 1-3cm between the measurement method and manual measurement.Package List2 x Knee Brace