Size Adjustable - Medium best fits for 56-58CM 22"-22.8"; Large best fits for 58-60CM 22.8"-23.6". With an adjustable size tape built inside the sweatband.
Foldable & Packable & Crushable - you can slightly fold it and tuck in away in suitcase, great for cruise & travel, beach vacation, outdoor hiking and the like. Also it can regain its shape easily.
Fashionable & Sun protection - The PU chin strap can protect the hat from blowing off when it gets windy , perfect as casual outfit sunhat and jean hat, also great as formal hat for derby party occasions.
Breathable & Lightweight - so it does not overheat in the summer, the upf brim can also provide some sun protective during gardening.
Unisex Fashions Looking - this wide brim vintage panama trilby hat looks stylish on both male and female.