Under Armour Mens Iso-Chill Floral Stripe Polo - NOVA BLUE / JET GRAYWe flattened out the fibers and added some science to create a game changing fabric that quickly pulls heat away from the skin keeping you calm, cool, and crushing at max capacity. DNA Iso Chill fabric helps disperse body heat, making it feel cool to the touch Built in UPF 50+ sun protection 4 way stretch material moves better in every direction Material wicks sweat & dries really fast Anti odor technology prevents the growth of odor causing microbes