Our Long-Sleeved Capilene(R) Cool Sun Shirt provides 40+ UPF sun protection, plus moisture-wicking and fast-drying performance. Single-knit construction generates a naturally sun-protective effect that won't wash out over time. Made with 100% recycled polyester jersey, Capilene(R) Cool Sun styles are our most sun-protective tech tees, designed to manage your body's microclimate during long, exposed days on the water or in the mountains when you're working up a sweat. Made in a Fair Trade Certified(TM) factory. Fit & Design: Sleeves are designed for easier, more athletic arm movement and a better fit Lightweight fabric delivers quick-drying moisture control with a wicking finish and a textured back that elevates the fabric off the skin for better airflow One vertical-zip chest pocket with a corrosion-resistant zipper securely keeps small essentials close Designed with minimal stitching and seams for enhanced comfort and reduced chafing Technology: Wicking finish and 40+ UPF sun protection Thumb holes for sun protection Thumb holes at the cuffs provide added sun protection for the backs of the hands Cool Sun Shirt is a sun-protective tech tee with 40+ UPF and wicking, made with 100% recycled polyester jersey Additional Details: Weight: 170 g (6 oz) Machine wash warm Do not bleach Tumble dry low Cool iron Do not use fabric softeners