One Size:Best fit for 55-57cm, 6 7/8- 7 1/8, 21.6"-22.5".With an adjustable tape built in sweatband to help find the best fit.
Sunscreen:3.5"inch (9cm) Wide brim 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.
Ventilated and Lightweight - Breathable Material makes this sunhat not overheat in summer.The comfortable sweatband also provides excellent moisture wicking.
Crushable and Packable: you can easily fold it and tuck in away in suitcase, great for cruise, outdoor trip, beach vacation and the like. Also it can regain its shape easily, metal logo decoration offers a simple elegant style
Practical: great for daily and outdoor activities: driving, fishing, hiking, golf, camping, traveling, gardening etc. Detachable chin strap adjustable for a better fit;won't blown off when it gets windy.
