3 types size hat suitable for most of the ladies' head, Small best fit for 55-56cm,6 7/8-7,21.6"-22"inch; Medium best for 56-58cm, 7-7 1/4, 22"-22.8"inch; Large best for 59-61cm,7 3/8-7 5/8, 23.2"-24"inch. Back an opening hole for ponytail.
4.7"inch Wide brim & flap provides an enough shade and uv sun protection to cover your face & neck from sunshine especially in summer without blocking your view.SPF 50+: has passed UPF 50+ test, it could block 97.5% or more of sun UV rays. Great ventilated to keep you cool in summer.
Lightweight & breathable. Good perforamnce for travel and outdoor activities such as hiking,fishing,golf,boating......;regardless of where you wear it - beach,cruise ship, garden......
Packable & rollable, soft materials helping this hat easy to take and still hold its shape. You can remove the occasional crease easily with steam iron.
Detachable & adjustable chin cord strap keeps this cooling Sunscreen Hat secure for windy days.