1. The outer layer of the knee pads is made of highquality PVC material and the inner layer is made of thick plush. It is durable, waterproof and windproof, not easy to deform, soft and comfortable, not easy to stack, and can be washed by hand and machine. This is a warm knee pad, ideal for anyone who does not want to ride a motorcycle in cold weather. 2. If you are riding a motorcycle in winter, how can you do without knee pads? Thermal knee pads are very wind and waterproof, fit well on the arch of the foot and have a high insulating effect. They protect the legs from the cold, keep your feet warm and ensure a pleasant body climate. 3. Knee Pad Length: 65cm/25.6 inch, elastic ankle cuffs, adjustable, not easy to fall off, very windproof, always keep warm, suitable for most men and women. 4. The knee pads have a smooth zip that does not jam and is easy to handle. Once the zip is closed, you are protected from wind and rain and are kept warm in all directions. The knee pad is quick to put on and take off and is therefore very easy to wear.