1. Winter warm knee pads: 2 pairs per order! Color: Black + Grey; Size: One size fits most women and men. The scientifically optimized size design provides enough protection and warmth for the knees, bringing an extraordinary experience. 2. Ergonomic design: according to the characteristics of the knee joint, the special elastic design is designed to fit the curve of the leg and provide 360-degree protection. Keep your legs out of cold wind and weather. Its powerful thermal protection ability prevents rheumatoid arthritis or knee osteoarthritis. 3. Soft and stretchy fabric: Made of stretchy towel fabric, soft and comfortable, mild and non-allergic, skin-friendly and comfortable. Elastic material, easy to put on and take off. Exquisite sewing and workmanship prevent the intrusion of cold air from outside. Effectively promote blood circulation and eliminate soreness. 4, a wide range of applications: let you wear no pressure and no burden. Provides protection and support for your movement. Perfect for outdoor work, cycling, skating, motorcycles, hiking, yoga, dancing, bad weather running, and more. 5. Perfect ideal gift: Improve blood circulation, have a good protective effect on rheumatoid arthritis, joint pain, and it is also a good gift for arthritis patients.