Features： 1、Compression knee pads are great for exercise, supporting knee movement during exercise. 2、Preventing muscle over tension during strenuous exercise, slight compression of the knee during the exercise. 3、Breathable fabric is sturdy and durable, lightweight and tightly fitting to cover your knee joint. 4、Designed to provide additional stability and support, stimulate blood circulation and better protect your knees. 5、Do not affect the normal movement after wearing, suitable for running, playing basketball or working out in the gym. Specification： Item Type: Knee Brace Material: Blending Material Size LengthLeg Circumference M25cm / 9.8in30-35cm / 11.8-13.8in L25cm / 9.8in36-40cm / 14.2-15.7in XL26cm / 10.2in41-45cm / 16.1-17.7in XXL26cm / 10.2in46-50cm / 18.1-19.7in 3XL26cm / 10.2in51-55cm / 20.1-21.7in The 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 List： 2 x Knee Brace