The 100g Horseware Liner is great for giving your horse that extra bit of warmth. It is breathable and attaches to any Rambo, Rhino or Amigo rugs that are part of the Horseware Liner System. The Liner features a polyester outer and lining, a single front velcro strap and no surcingles. Horseware Liner System attachments at the shoulder and back of the rug.