Therm-X AT Cold, Heat, Contrast and Compression Therapy Shoulder Garment - XL Size Shoulder wrap for Therm-X Cold Compression System. Therm-X wraps are bilateral so you don’t have to buy lefts and rights. They’re one size fits all, and have high-end Velcro to last the life of the garment. The inner face uses a ripstop nylon with a waterproof backing to prevent buildup of mold and mildew after cleaning. Control unit not included.