BREATHABLE PERFORMANCE BUCKET. The Titleist Breezer Bucket Hat combines ultra-lightweight performance stretch material and the StaCool™ sweatband for exceptional breathability. UV treated materials provide sun protection of 50+ UPF to help protect you during those summer rounds. Features & Benefits StaCool™ sweatband Performance stretch material Ultra-lightweight performance stretch material for breathability Adjustable closure for maximum comfort and fit UV treated for sun protection of 50+ UPF One size fits all