The Patagonia Comfort Crew is designed for warm weather adventures, both on and off the water. This lightweight, quick-drying crewneck is constructed with UPF 50+ protection from the sun's harmful rays, and Polygiene permanent odor control that keeps you stench free during strenuous wear. A rear zippered security pocket is put in place for convenience, and thumb holes provide protection for the backs of your hands. UPF 50+ Sun Protection, Polygiene Permanent Odor Control, Rear Zippered Security Fly-Box Pocket, Thumbhole Loops, Fair Trade Certified Sewing, Fabric is Certified bluesign Approved, Material: 94% Polyester/6% Spandex Jersey, Warranty: Lifetime, Closure Type: Pull Over, Type: Shirt, Material: Synthetic, Sleeve Type: Long Sleeve, Recommended Use: Fishing, Sun Protection: Yes, Anti Odor: Yes, Quick Drying: Yes, Moisture Wicking: Yes, Model Year: 2018, Product ID: 513526, Model Number: 52105 FEAP S, GTIN: 0190696427356