Two flexible spring stabilizers (on each side) provide maximum flexibility and support for your knee. Two two-way adjustable Velcro straps for better support, better than regular knee pads without straps. .With 2 anti-slip silicone strips, our stabilizer knee brace can wrap the knee better which fits your knee perfectly and prevent the knee from moving during exercise. .The inner layer is sweat-absorbent fabric, ensuring always dry and cool, the outer uses the breathable neoprene composite fabric, which is more breathable, durable and not easy to deform. .There is an EVA silicone pad in the middle of the knee pad which can reduce the impact. Indeed, it is designed to reduce the concentration of stress in the knee joint during heavy work and intense exercise. .Suitable for thigh circumference under 21.5 inches, as shown in the figure, measures about 12cm above the knee. .