TheUtilizer II Solid Short Sleeve Shirt, for men, byColumbia, is a hiking shirt, perfectly suited for your outings this summer. It features Omni-Shade™ UPF 50 UV protection to shield you from harmful sun rays, and strategically placed vents to enhance air circulation. The 100% polyester composition of the Columbia shirt, along with Omni-Wick™ technology, increases breathability and facilitates moisture wicking. The Full Dull Ripstop 100% polyester fabric offers a very pleasant feel against the skin, for enhanced comfort.