Materials: Polyester; Wrinkle-free, Quick Dry and SoftUPF 50+: Excellent protection from the harmful effects of the Sun's UV RadiationQuick Dry: This men's long sleeve shirt features high performance wicking fabric that pulls moisture away from skin, breathes freely and dries quickly for activeLightweight: Flatlock seamlines; Raglan sleeves provide full range of motion; Classic FitPerfect for: Running, Workout, Hiking, Camping, Fishing, Sailing, Swimming and Thermal UnderwearL,M,S,XL,XXL,XXXLPlainKnitted Fabric