This adidas Performance Knee Support sleeve gives strategic reinforcement without restricting movement. AEROREADY technology helps you stay cool, and the compressive kinesiology band keeps a snug, supportive fit through intense sessions. The non-slip inlay helps it stay put from start to finish. Product Highlights: – Seamless circular knit construction for the perfect fit. – Built-in compressive kinesiology band for optimal support. – Composition: 42% Polyester, 29% Nylon, 12% Silicone, 9% Rubber, 8% Elastane. – Care: Refer to the product label.