Simms Men's Big Sky Long Sleeve Fishing Shirt - Inspired by Montana's trout-rich waters, this shirt is made of moisture-wicking fabric with UPF 50 sun protection, the men's shirt features a mesh-lined back panel that helps keep you cool on warm and sunny days. Dedicated pockets for your sunglasses and accessories help keep you well organized. Wicking and UPF 50 Classic western styling Vented, mesh-lined back panel for cooling Accessory loop in the right chest pocket Sunglass stowage in the left chest pocket 57% polyester/40% nylon/3% CDPET Style: 10661