Show the summer sun who' s boss in the awesome cooling power and UPF 50+ sun protection of Sitka Gear Men's Radiant LS Crew. The ultra-lightweight, stretchy knit works hard to wick sweat from your skin, then dries quickly when the mercury is high. FeaturesUltra-light fabric: 100% polyesterSweat wicking and quick drying to keep you coolUPF 50+ sun protectionPolygiene Odor Control Technology reduces odorSmooth flatlock seamsSlight drop hem for added coverageForward shoulder seams for comfort while wearing a pack