The packaging includes 2 packs is not simple. Durable, breathable nylon material wicks sweat and internal vents help release heat to keep your knees comfortable and cool. This lightweight elastic knee brace provides secure compression for your knee and allows you to perform a full range of motion without even feeling it on your knee. Comfortable to wear all day. PROFESSIONAL COMPRESSION TECHNOLOGY: The use of long-sleeved compression tights ensures increased blood supply to the muscles along the entire length. Provides enough resistance to give your legs extra support while improving your physical activity. Knee Sleeve Benefits: This high compression sleeve stabilizes and supports your joints. Not only does it prevent injury during vigorous exercise, but it also helps reduce inflammation, swelling, pain, stiffness, relieve joint pain, and restore muscle. Ideal for: running, CrossFit, training, cycling, basketball, tennis, squats, weightlifting - for all sports that put a lot of strain on your joints. Our knee compression sleeves are available in different sizes (M/L/XL) to meet the needs of different people. It can be hidden under pants and fit your knees more discreetly and comfortably than Velcro knee pads. Your guarantee: We hope this knee brace meets your joint protection needs. Your satisfaction is our constant pursuit, if you have any questions or questions about the size or quality, please feel free to contact us and we will give you a satisfactory answer.