What Our Gearhead(R) Experts Are Saying:"This shirt is perfect for long days on the trail or water. It's breathable, dries quickly, and gives me reliable sun protection without making me overheat. I wear it anytime I need full coverage but still want to stay cool."The Capilene Cool Long-Sleeve Sun Shirt is one of those pieces we reach for day after day-whether we're pushing through a sunny summit approach or spending hours casting from a drift boat. Built by Patagonia for high-output performance under harsh sun, this shirt keeps us protected and comfortable without weighing us down. Made from 100% recycled polyester, the lightweight knit fabric wicks moisture, dries fast, and delivers UPF 40+ protection to shield us from UV exposure. The regular fit offers airflow and layering versatility, while a wicking finish enhances overall comfort during sweaty efforts. Fair Trade Certified(TM) construction and bluesign(R) approval round out this technical essential that's as responsible as it is reliable.