Lightweight poly/nylon mesh material of this sheet allows natural air circulation over the horse while keeping annoying flies and insects away! Designed with a contoured fit this fly sheet features fleece wither protection, belly wrap with “Quick Grip” closures, adjustable and replaceable leg straps with elastic ends, adjustable double buckle front closures, tail flap that reduces tail breakage, and shoulder and rear surcingle gussets that allow freedom of movement.