The Super Lite Fly Rug is crafted from a revolutionary super lightweight  material developed for protection against the sun, heat build-up &  flies. Made from 100% lightweight nylon it offers incredible strength,  durability and superior comfort for the horse. In the hottest climates  it not only offers protection against insects, but helps to reflect the  sun and keep your horse cooler than traditional fly rugs. This super  lite fly rug is Approx. 70% UV reflective. Perfect protection for warmer  weather or horses who struggle to stay cool in summer months.