MAXIMUM SUN PROTECTION WITH A DOWN-UNDER DESIGN. A fan-favorite design, the Tour Aussie Hat features a stretch material with an adjustable closure for improved comfort and fit. UV treated materials provide sun protection of 50+ UPF to help protect you during those summer golf rounds. Features & Benefits Stretch material with adjustable closure for comfort and fit Removable chin strap with inside pocket for storage UV treated for sun protection of 50+ UPF One size fits all