This blended jersey fabric looks and feels like a standard tee, but features 40+ UPF sun protection. Skip the slick techy look and blend in with this performance sun shirt that is built for the boat and the beach, but fits in at the bar or the streets. This blended jersey fabric looks and feels like a standard tee, but features 40+ UPF sun protection. Skip the slick techy look and blend in with this performance sun shirt that is built for the boat and the beach, but fits in at the bar or the streets.