One Size: best fits for 55-57cm, 6 7/8- 7 1/8, 21.6"-22.5".With an adjustable drawstring built in sweatband to help find the best fit.
UPF50+: Straw hat offer high UV SPF sun protection with 4.1" (10.5cm) wide brim, Stop risking your health and safety by walking outdoors without adequate sun protection. Protect your skin from harmful UV rays and keep your hair out of your face and eyes all your outdoor activities.
Ventilated and Lightweight - Lightweight and breathable Material makes this sunhat not overheat in summer.The comfortable sweatband also provides excellent moisture wicking.
Crushable and Packable: An essential accessory for your Outdoor Travel/Holiday/Beach/Cruise playing. Folding Packable design for easy storage in a handbag or backpack when it is not in use. Convenient carrying along!
Detachable chin strap adjustable for a better fit;won't blown off when it gets windy. Practical: great for daily and outdoor activities: driving, fishing, hiking, golf, camping, traveling, hunting, gardening, Boating etc.