?UV Block the Burn? with UPF 50 protective fabric features:?More body coverage for greater sun protection.?Tighter knit fabric for higher level of protection from the sun's harmful rays.?Improved fit so over-stretched product does not decrease the UPF rating.?Dries quickly.?Short sleeve, loose fit swim shirt.?Logo hit at left chest.?Fabric: 100% Polyester Jersey.?Our swim shirts are looser fitting than a rashguard. If you would like a tighter fitting swim shirt, size down.