Description Eliminate head tossing and stress caused by insects on the trail. Based on the design of the Crusader Fly Mask, but with lighter material for protection on the go. Made of soft, breathable nylon mesh that fastens quickly and securely over the bridle without affecting your horseâs vision. Stop worrying about flies and enjoy the ride! Horse Sizes: Yearling/Large Pony, Arab/Small Horse, Horse, Warmblood, Draft. Long Nose with Ears also available in Weanling/Small Pony