Material - Polyester. Quick Dry, Breathable, Moisture Wicking, Lightweight. UV Protection - UPF 50+ fabric protects your skin from harmful UVA/UVB rays. Quick Dry - Quick Dry and Breathable fabric wicks moisture away from your skin, breathes freely and dries quickly for cool and comfort. Features - Crew Neck, Raglan Sleeves, Flatlock Seamline and No Tag Collar reduce chafing and increase comfort. Occasion - Perfect for Workout, Running, Hiking, Sailing, Swimming, Fishing, Camping and any other of your favorite sports.