Back on Track 2-Piece 10 to 8-Inch Therapeutic Horse Knee Boots, Small Back on Track Knee Boots are made from fabric infused with ceramic powder; The ceramic reflects natural body heat State-of-the-art therapy is clinically proven to reduce pain and chronic inflammation They offer an excellent fit and superior protection as they easily form close contact with the tendons and bones in the lower leg Our Knee Boots are ideal for injury recovery or prevention in the tough to wrap knee area Contoured to the shape of the knee, the boot fastens with Velcro straps allowing you to adjust the fit