Sometimes mesh panels just don't cut it. AFTCO developed Yurei with Air-O-Mesh super breathable fabric throughout the entire shirt. The Yurei provides all day comfort, breathability and sun protection. Yurei Air-O-Mesh features AFBLOCK UPF 40 sun protection, AFCOOL quick dry moisture wicking, AFGUARD 3M stain resistance, thumbloops and antimicrobial treatment for odor control.