It is a blend of nylon and latex yarn, which has two characteristics, such as hardness, abrasion resistance, high tensile strength, and fast recovery, which can protect your knees on any terrain.Anti-slip elastic design, elastic no deformation, elastic foot, not easy to slide, comfortable to wear.Ultra-lightweight, free-moving, the knee brace can be worn by both men and women, and can be easily stretched to fit almost any knee.Long-lasting durability, plus our breathable knee pads, let you wear them all day.Ideal for professional options for concrete and hardwood floors, construction, concrete, carpet installation, flooring, welding, gardening, sock racks, carpentry, cleaning, and more.