Patagonia Capilene 1 Silkweight T-Shirt for Men The Patagonia Capilene 1 Silkweight T-Shirt for Men is a wonderful garment to take with you whether you are working out or heading out on a trip. Made from 84% polyester and 16% spandex fabric, this shirt is durable, extremely stretchable, and allows for a certain amount of breathability. A UPF 50+ rating means that you get ample protection from the harmful UV rays of the sun. There are offset shoulder seams and Raglan sleeves to make sure minimum chafing on your skin, and to give you unrestricted mobility. The thumb loops let you extend the coverage you get for greater protection. Choose the lightweight size that is convenient for you from medium or small at 0.3 lbs. to large at 0.35 lbs. For a great time outdoors and comfort you can rely on, choose the Patagonia Capilene 1 Silkweight T-Shirt for Men!