Equilibrium Field Relief Fly Mask Max Black/Orange Keep your horse protected against pesky flies and insects with the Equilibrium Field Relief Fly Mask Max. The Field Relief Fly Mask Max features a full face mask that not only provides protection against biting flies and midges but also helps to block out over 70% of the suns harmful UV rays. Designed to provide exceptional comfort, the Field Relief Fly Mask features soft sponge padding at the brow and noseband to reduce rubbing as well as extra darts within the mesh to ensure the mask sits clear of the horses eyes and eyelashes. With soft stretch binding along the outside to prevent flies from entering, the Fly Mask is complete with a detachable nose piece, adjustable fastening under the cheeks and behind the ears and is designed to be long lasting and easy to wash.