Features: Engineered with high elastic nylon and Spandex blend, features flexible metal spring on both side stabilizers, this knee support brace stabilizes the knee patellar and reduces joint fatigue during sport activity. Breathable fabric ensures air flowing to keep skin dry, while seamlessly construction prevents chafing during prolonged workouts. Suitable for professional athletes and fitness enthusiasts who recover from knee injuries, this adjustable knee support accommodates different leg size for perfectly fit. Widely used for running, gym fitness, workout exercise, basketball, volleyballs, football, hiking or sport injury recovery, this breathable knee brace ensures comfortable and flexibility without compromising movement. advocated by sport specialists, our knee brace offer superior joint stability and protect, allowing you to maintain active lifestyle with confidence. Specifications: Color: Black, Component: Spandex Cloth Size: 51x25.5cm Weight: 111g Package Includes: Workout knee liners × 1 double Chinese and English bilingual instruction manual × 1 copy note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color