Keep your cool with Iso-Chill fabric made to disperse your body heat. This innovative material is wicking and fast drying. Mesh panel under arms for added ventilation and UPF 50+ protects your skin from the sun's harmful rays. Odor-control technology keeps you fresh. Fast drying Iso-Chill fabric helps disperse body heat and keep you cool Mesh panel under arms for added ventilation UPF 50+ protects your skin from the sun Material wicks sweat and dries quickly Odor control technology minimizes odor Merrow stitching for increased durability