Woof Wear Fly MaskWoof Wears UV Fly Masks feature a no rub design and protects horses from flies and midges. Comfort Seams Soft, Stretchy and Breathable Spacer Fabric Black Vision Mesh for relaxed all round vision. Black vision mesh has been independently tested to BS EN 13758 1: 2002 and blocks over 60% of harmful UVA and UVB rays Padded Nose Seal is soft and stretchy; it prevents insect ingress without rubbing Matching nose protector available separately.