Description of Ex Officio Reef Runner™ Lite L/S Shirt - Women's When you are in a hot climate and need that extra ventilation, the Reef Runner shirt is the one to go to. This shirt has you protected from those harmful UV rays with built-in sun guard. Plus this lightweight, quick drying and moisture wicking fabric makes sure you always feel and look great. Features: 3 oz/sq yd Imported Lightweight and wrinkle resistant Diamond Nylon - 100% Nylon Ultralite mesh panels and back ventilation with moisture wicking to keep you cool Sun guard UPF 30+ for excellent UV protection Napoleon chest pockets with security zippers for your peace of mind Contoured shaping; quick drying