Thermal Therapy™ offers an outstanding, non-invasive and soothing technology. Made of a lightweight material infused with ceramic powder to help loosen muscles and increase circulation. Fabric is constructed with exclusive technology designed to reflect Far Infrared (FIR) waves back to the body. Thermal Therapy™ Coat is great for all dogs: young, old, hard-working, and family pets. Mesh coat is light weight enough to be used during the summer, or can be layered under Shedrow K9® winter coats for added warmth. Introduce to your pet gradually, starting with 4 hours per day.