Made from the revolutionary Welltex™ fabric, these knee boots are great for rehabilitation purposes. The FAR infrared technology may help in targeting and alleviating tension and pain in the knee area by creating soothing and effective warmth. These boots are easily secured with four velcro straps and are available for both left and right legs. nnTo determine the correct size, measure the circumference of your horse’s leg, above and below the centre of the joint. There are four different sizes from small to XL.