1.Right Size for Comfortable ExperiencePlease measure your thigh circumference at a suitable position 5 inches above your knees. Choose your neutral knee sleeve size based on your measured thigh circumference, not your height and weight. 2.Medical Grade Knee PadsProfessional knee pads support the knee joint, relieve pain, relieve inflammation such as arthritis, tendonitis, bursitis, promote blood circulation, prevent meniscus tear, stabilize the patella, protect knee tendon. Perfect when exercising or recovering from an injury. 3.ERGONOMIC DESIGN, 360 PROTECTIONThe anatomically contoured silicone patella gel pad surrounds the kneecap, reducing the pressure on the knee and the vibrations created when jumping and landing on the floor. The double-sided spring stabilizer fits snugly into your knee joint, providing support to help stabilize the joint and distribute stress on the knee. 4.High Elasticity Fabric, 3D Knitting TechnologyThe delicate fabric is skin-friendly, smooth and soft to the touch, making the knee pads easy and comfortable to wear. The unique 3D knitting technology ensures that the knee pads are breathable and sweat-wicking. It is the perfect fitness equipment for gyms and work-from-home workouts without any tension during a variety of sports such as running, volleyball, basketball or weight training.