Professional material: Made of nylon and elastane. Light, breathable, adjustable and comfortable with elasticated stretch fabric that stays in place improves blood flow and oxygenation, improves muscle performance and accelerates the recovery of damaged muscles, joints and more. Pain Relief & Promotes Muscle/Joint Recovery: This brace has been shown to promote muscle recovery and help prevent injury. Our knee brace relieves muscle stiffness and extra muscle soreness and provides relief from arthritis, osteoporosis, tendonitis, pain and discomfort in all situations. Closure: Velcro closure Color: (optional)Green, Black Size: (optional)M: Upper leg circumference: 16cm,Lower leg circumference: 15cm,Length: 27cm ,Suitable weight: 45-50kgL: Upper leg circumference: 17cm,Lower leg circumference: 15.5cm,Length: 28cm ,Suitable weight: 50-60kgXL: Upper leg circumference: 18cm,Lower leg circumference: 16.5cm,Length: 29cm ,Suitable weight: 60-75kg Adjustable, Unique Bi-Directional Support: Elastic straps with dual adjustment provide individual fit and compression for all-day wear. Suitable for all sports: Our knee brace offers targeted compression with moderate support for the knee. The best brace and knee support for running, athletics, jogging, cycling, weightlifting, squats, football, basketball, volleyball, skiing, tennis, hiking, lifting and yoga - almost any sport and movement. Outstanding Performance: Designed to protect the knees, accelerate recovery and improve muscle endurance.