UV PROTECTION: The UV protection fabric of mens swim shirt reduces the sun's damage to your skin when you are outdoors. Let you enjoy the summer time more.QUICK DRYING AND MOISTURE WICKING: This rashguard with waterproof design, the tight and smooth surface of the fabric can prevent water from seeping in and evaporating quickly, always maintaining a comfortable and breathable wearing experience.SMOOTH & NO FRICTION: The mens swim shirt short sleeves are lightweight and the fabric surface is very smooth which will minimise friction and keep the quick parade in the water.The 4-way stretch technology of swim shirt will maintain the tension in all directions for a more flattering and shapely fit.This fashion mens swim shirt short sleeve is designed for men, suitable for indoor sports, home; outdoor beach volleyball, swimming, fishing, hiking, camping, cycling, running, kayaking workout and so on.