Horseware Amigo XL Bug Rug Fly Rug Azure Blue/ Gunmetal. The The Amigo XL Bug Rug is designed for the larger build of horse. The Amigo XL Bug Rug offers excellent value protection from flies and is made from ultra breathable, soft knitted polyester mesh. The Bug Rug features patented front leg arches, cross surcingles, a removable neck cover with mane liner and a tail flap. The softness of the Bug Rug provides comfort for your horse and the silver colour will also reflect sunlight and help keep your horse cool. Read more… Compatible with the Horseware Waterproof Fly Rug Liner.