Features: Protection and Warmth: Guaranteed windproof and waterproof leather outer layer with a built-in thick insulating fleece lining for adequate protection and warmth as a professional cycling/riding/motorcycle knee pad support knee pad. Three-stage Heating: Connecting mobile power can heat the leg cover thus protecting the leg from cold damage. Stitching Design: easy to bend the knee and protect the knee joint to adjust freely so as to fit the leg shape more closely. Multiple Occasions: Excellent performance knee pads suitable for winter indoor home office airplane train use. After-service: If you have any questions after receiving the product please feel free to contact us and we will provide you with a satisfactory answer. Specification: Material: Oxford cotton Weight: 682g(1 pair) Size: 71.5*57cm includes: 1 pair of * Knee Pads "