Denali Performance Men&rsquo;s UPF 50+ ProtectUV Mega Solar Long Sleeve T-Shirt designed by Marcos Augusto: Marlin 100% Micro Filament Polyester Imported UPF 50+ ProtectUV Mega Solar Fabric Carries the coveted SEAL OF APPROVAL by the MELANOMA INTL FOUNDATION Wikz Life-Time Moisture Management Superior comfort for a full day in the sun of blue water, skinny water or fresh water fishing Perfect for sailing, surfing, swimming, rowing, hiking or any other Mega Energy sport