SIZE: best fit for 56-59cm 22^^-23.2^^ 7- 7 3/8, with an adjustable tape built inside the sweatband.
FOLDABLE: packable, crushable, NO crease! Great for cruise, travel, gardening, boating or beach vacation.
UPF50 : the 4^^ wide brim blocks most sun UV rays and provides excellent full coverage of head