[Fabric:Polyester. Soft and Breathable fabric "Quick Dry:Wicking away moisture from the skin to keep you dry quicklycomfortable on a long days fishinghiking or swimming" Comfort:Flat lock seams and no tag collar minimize friction and offer great comfort Sun Protection:UPF 50+ sun protection helping to blocks UVA and UVA rays. Protecting your skin from sunburns and skin damage during long hours in the sun Occasions:Perfect choice for all your indoor and outdoor activities including gymTrainingworkoutrunninghikingfishingbikingcyclingswimming etc]