The EVERYDAY EXPLORE ICON SHORT SLEEVE SHIRT keeps a low profile, but it has a lot going on, including performance attributes like sweat-wicking material that's been treated with an anti-microbial treatment to prevent odor and UPF 30+ to protect from the sun's harmful rays. H2O-DRI fabric wicks sweat to help keep you dry Anti-Microbial treatment helps prevent odor UPF 30+ protects from the sunâs harmful rays 180gsm heavier weight jersey fabric 60% cotton/ 40% polyester screenprint graphics fastlane woven label Men's Everyday Explore Icon Short Sleeve T-Shirt in Heavy Meadow, Polyester, Size Medium - Hurley Men's Everyday Explore Icon Short Sleeve T-Shirt in Heavy Meadow, Polyester, Size Medium