3 size hat suitable for most of the Woman's head: Small Best for 55-56cm, 6 7/8- 7, 21.6"- 22", Medium best fits for 56-58 cm, 7- 7 1/4, 22"- 22.8"inch,Large best fits for 58-60 cm, 7 1/4- 7 1/2, 22.8"- 23.6"inch. Size Adjustable with an adjustable drawstring tape built inside the sweatband.
4.3"(11cm) 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: this sun hat has passed UPF 50 test, it could block most sun UV rays.
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.