Size Adjustable - Medium best fits for 56-58CM 22"-22.8"; With an adjustable size tape built inside the sweatband.
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.
DETACHABLE CHIN STRAP: adjustable for a better fit; won't blown off when it gets windy.
Ventilated & Breathable & Lightweight - so it does not overheat in the summer, the upf brim can also provide some sun protection during gardening.
Stylish & Feminine - the fashionable straw sun hat could go with everything including jeans, dresses and skirts, make casual or dressy style.