feature: Professional Grade Materials. Made of premium 68% nylon and 32% spandex, it's engineered for all-day comfort, flexibility, odor resistance, breathability, and ultra-durability without rolling, sliding, or slipping. Enhances blood circulation and oxygenation, thereby improving muscle performance and accelerating the recovery of injured muscles and joints. Pain Relief Promotes Muscle/Joint Recovery: Compression is proven to promote muscle recovery and prevent injury, our braces can relieve muscle stiffness, extra soreness, and provide recovery relief from arthritis, osteoporosis, tendonitis, pain and discomfort Vitality so you can perform at your peak in all situations. DOUBLE CARE: Dual-sided stabilizers for maximum protection, fully adjustable for a perfect fit, 360-degree motion protection, dual compression. Suitable for any sports: all sports that put a lot of pressure on the joints, such as: running, basketball, football, soccer, golf, cycling, tennis, hiking, volleyball, skiing, etc., improve muscle endurance, protect knees . Leg circumference 40-46CM The package includes: (according to your choice) 1 x knee pad