The Arma Hot/Cold Joint Relief Boots contain gel packs that can be heated via hot water or the microwave or cooled in cold water or the freezer. Designed with comfort in mind these boots are versatile enough to fit most joints as the flexible neoprene have cut out sections to allow for movement. The Hot/Cold Boots are suitable to use on the knees, hocks and fetlocks and are easy to clean.Suitable for:Treating injuriesSpeeding up recovery after exerciseMinimise swelling and inflammationRelieving pain Relaxing tight musclesEncouraging blood flowHelping arthritic conditions