Fun in the sun's never been easier than with the Patagonia Men's Long-Sleeved Capilene Cool Sun Shirt. This high-performance summer shirt keeps you cool and protected with breathable fabric and UPF 40+ sun protection, perfect whether you're hiking under the sun or enjoying a casual day out. Thumb holes in the sleeves add extra sun coverage, and a zippered chest pocket holds your essentials securely on the beach, the trail, and beyond.