Your favorite iconic sun hat now comes with insect repellent technology. New this season, the Sunday Afternoons Bug-Free Adventure Hat has all the features you know and love: UPF 50+ sun rating, wicking sweatband, adjustable sizing and chinstrap, plus strategic crown ventilation. EPA-registered No Fly Zone treatment is added to the main body fabric to repel insects so you can coexist with the natural world in comfort. EPA-registered No Fly Zone technology: Applied to the main body fabric, this innovative treatment is odorless and invisible and proven to repel mosquitoes, ants, ticks and other insects for 70 washings.