The Archipelago Outfitters Solar Performance Long Sleeve shirt offers superior sun protection and performance qualities. It not only protects from the harmful effects of the sun's UV rays, but this long sleeve shirt is made from breathable and quick drying 100% microfiber. The shirt features UPF 50+ solar protection, and blocks more than 98% of harmful UV rays. This Solar Performance Long Sleeve shirt is lightweight, comfortable, and sure to keep the sun’s rays from penetrating through to your skin. This antimicrobial fabric is powered by PURE-tech™ moisture wicking . Machine washable for easy care!