Pack, trail mix, water purifier, chocolate: add this high-performance shirt to your list of hiking must-haves. Designed specifically for the needs of trekkers, it features durable, lightly textured nylon fabric that both wicks moisture and shields you from UV rays. A sun protection collar can be turned up and buttoned under your chin to provide more coverage at the neck. Other details include two front button-close pockets and flattering shaped seams. FEATURES: Fabric: 100% nylon Summit Cloth, Omni-Shade UPF 30 sun protection, Omni-Wick advanced evaporation, Relaxed fit,, Sun protection collar, Imported,