Skin Cancer Foundation Recommended Loaded with comfort and charm to spare, the Breton will be your go-to hat for a busy weekend. Don't need it for a bit? No problem, it can be packed in your tote or suitcase and come back out in ready-to-go condition. Head out to the farmer's market, then dine al fresco with friends - you can enjoy the sun safely and stylishly in this Wallaroo favorite. UPF 50+ fabric blocks 97.5% of ultraviolet rays, certified by the Australian Radiation Protection Agency Four-inch brim Packable - roll to pack Crown size - 58cm Internal drawstring adjusts fit 100% poly-ribbon exclusive of trim Spot clean only All Wallaroo Hats have an internal drawstring to fit the hat to your head (the women's Aqua Hat is the only exception - it stretches to fit). Be sure to choose a hat that is the same circumference as or larger than your head size.