Sun Protective & Ventilated: Rated UPF 50+ maximum sun protection; the upf brim can also provide some sun protection during gardening.
Adjustable Size - the Medium size could fit most, 55-57CM 21.6"-22.4". With an adjustable drawstring built in sweatband to help find the best fit.
Optional/Detachable CHIN STRAP: the neck cord is exceedingly useful for windy days, or to keep your sunhat in position while gardening, travelling, fishing, boating or hiking!
Foldable & Collapsible & 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.
Stylish & Lightweight: The hat looks more stylish with the fashion pu band decoration .