Tough1 Zebra Mesh Pony Fly Sheet Lightweight poly/nylon mesh allows natural air circulation over the horse while providing protection from biting insects. This fly sheet features a double buckle front closure, adjustable and replaceable leg straps, fleece wither protection, and an adjustable surcingle belly. But why zebra print? Studies have shown the light polarization signals of contrasting zebra stripes blend together and confuse flying pests, sending them away. Features: Lightweight poly/nylon mesh Fleece wither protection Double buckle front closure Adjustable and replaceable elastic leg straps Single belly surcingle Zebra print has been shown to detract flies