PATAGONIA SOL PATROL LONG-SLEEVE SHIRT - MEN'SThis functional button-up is the perfectgo-to outdoor shirt for fishing, hiking, and traveling. Its lightweight, fast-drying fabric keeps us cool when you're casting on sunny afternoons and stores easily in abag on multi-day trips. The recycled synthetic provides UPF sun protection, and the shirt's double-layer collar converts to stand up and the rays off yourneck. When youneed to cool off, justroll up and secure thesleeves while the ventilated yoke lets you breathe.FEATURESVersatile shirt offers cool comfort in warm weatherRecycled polyester promotes breathabilityUPF 50+ defends your skin from the sun's harmful raysDouble-layer collar extends up for extra protectionButton tabs keep rolled-up sleeves secureHidden lens cleaner at the hem keeps sunglasses smudge-freeTECH SPECSCenter Back Length: [medium] 30inStyle: button-upPockets: 2 zippered chestUPF Rating: 50+Claimed Weight: 7.4ozManufacturer Warranty: lifetime