AFTCO Fishing Face Sun Masks are thoughtfully designed for the Angler looking for UPF sun protection. UPF 40 protective layer to block harmful sun rays from your face and neck. Fishing sun masks keep your head cool, comfortable and dry while fishing on saltwater or freshwater. AFTECH technologies include AFCOOL, AFLEX and AFBLOCK for the most advanced protection against those long, hot days in the sun.