Horseware Rambo Ionic Therapy Fleece Rug in Black/Orange. The Horseware Rambo Ionic Therapy Fleece is a breathable Ionic therapy rug that is ideal for preparing muscles before work and, when used after work, can help reduce any lactic acid build up. The Rambo Ionic Therapy Fleece offers a smooth carbon infused fleece inner that releases an electric charge to release Negative Ions. The Negative Ions cause a change in the water in the horse's body. Ionic Technology is both innovative and used by equestrians worldwide. Read more… The Horseware Rambo Ionic Therapy Fleece offers a cotton coated outer with the latest in moisture management technology to keep your horse comfortable and making the fleece ideal for use as in the stable and as a travel rug. The fleece features a double front surcingle closure, cross surcingles and a fillet string for optimum fit.