Our Banana Boat man Hawaiian Shirt offers UPF50+: Protection at its best, block UVA and UVB rays to help prevent sunburns and long-term skin damage. The tight weave construction offers lasting sun protection against the full spectrum of sunshine. These designs are perfect for vacations and holidays. Designed specifically for anglers, this lightweight, relaxed fit, the shirt is design from fast drying breathable material for optimum comfort, keeps you cool, and protects against harmful UV light Quick-Drying | hollow or lubricous fabrication accelerates moisture and heat diffusion. UPF 50+ | the fabric blocks ultraviolet rays and helps prevent sunburn. Our Hawaiian Shirts are made from 95% Polyester & 8% Spandex.