Need some extra warmth? Feel supported by the Self-Heating Magnetic Knee Support Brace Super comfortable and easy to wear under clothes or on its own With magnetic tourmaline to provide natural heat to the knee and relax muscles Helps you to feel comforted and encourages blood circulation with soft padding Great for when you overdo the exercise or just need some warmth on a cold evening Fastens with Velcro and won't slide down your leg Dimensions 65mm x 190mm Save 70% on the Self-Heating Magnetic Knee Support Brace - now only 5.99 pounds