The Tilley T3 Cotton Duck- the Cotton Duck hats are very popular Tilley items and this medium brim version has a more versatile style while retaining the same unbeatable UPF 50+ sun protection rating. The brim is 2 3/4" on front/back and 2 3/8" on the sides, and the hat features a secure tie for windy days and a high ventilated crown to keep cool air flowing. There are snaps at the sides to change the look however your style dictates. This hat is water repellant and machine washable, and is guaranteed to never shrink. The darker colored underside keeps away the glare from water, snow, or sand. A perfect durable hat for any outdoor activities.