【Dry-Fit Tech Material】100%polyester is quick-drying, comfortable, and has a more natural feel,Quick-Dry,ultra-soft,Moisture wick knit keep for you cool,dry Gym training,running,basketball,football,soccer and perfect fit for any active indoor or outdoor activities 【Relax Fit】Mens crew-neck long sleeve t-shirt with US standard measurement for relaxed,soft feeling,flat-lock comfortable 【Sun Protection】UPF 50+ UV Fabric protects your skin from sunshine and harmful UV Ray in mens sun shirt. Breathable and quick dri fit fabric also can wick your moisture from your body and shield against harmful ray as mens sports shirts. 【Occasion】This lightweight long sleeve athletic top is perfect for fall and winter activities fit for workouts,gym,training,hiking,traveling,swimming,running,climbing, fishing and other outdoor activities. 【Service】If you have any problem of mens workout t-shirts,please feel free to contact us