The Sunshade Crew is a fast-wicking, quick-drying crew in a soft 100% polyester. Lightweight, quick-drying 100% polyester jersey with 45-UPF sun protection Hunting bones on the Kiritimati pancake flats means hours without relief from sun, heat or humidity. Unless you're wearing Patagonia's Sunshade Crew, with its ultralight, airy 3.54-oz polyester double-knit fabric and 45-UPF sun protection. Thumb holes pull the sleeves down to cover hands, and there's a convenient zippered pocket on the front left chest. In punishing heat, the Sunshade Crew is the next best thing to cranking up the motor and running full tilt just to cool off.