A horse mask having a removable visor is provided. The horse mask is composed of a flexible mesh material and is adapted to substantially cover a horses head. The horse mask comprises an opening thereon corresponding to the location of the horses eyes and area therebetween. The opening includes a fastener disposed about the perimeter thereof to which a visor can be removably secured. The visor is transparent and serves to shield the horses eyes from exposure to ultraviolet radiation. Preferably, the visor is secured to the opening of the mask using hook and loop fastening material. The mask further includes a pair of pockets having an interior volume in which a horses ears can be positioned. The mask can be secured on a horse by overlapping portions of the mask on an underside of the horses head.