Whether you&';re cranking at the boulders or skinning up a backcountry run, those first rays of warming spring sunshine after a long winter are something special. While you&';re soaking up that Vitamin D, the Crater Lake Long Sleeve Crew has you protected from unwanted UV rays thanks to its UPF 50+ fabric. This lightweight and comfortable top also pulls double duty as a breathable baselayer when the clouds roll in and it&';s time to layer up. Uses: Superlight Backcountry, Rock Climbing, Backpacking / Hiking, Camping UPF 50 solar knit wicks moisture and dries quickly Raglan sleeves for mobility Thumbhole cuffs for added protection MHW logo at front left chest Nut Logo at back right