FREE SIZE: with an adjustable tape at back built-in sweatband. Best fit for 55-58cm 21.6"-22.8" 6 7/8 - 7 1/4.
DETACHABLE CHIN STRAP: adjustable for a better fit; won't blown off when it gets windy.
SPF 50+: this sun hat has passed UPF 50+ test, it could block 97.5% or more of sun UV rays. Great ventilated to keep you cool in summer.
WIDE BRIM: measures 4"-4.7" in length, is large enough to shade forehead, neck and cheeks from sun lights.
When shipped by Comhats,it will be fulfilled within 2 days. Usually it takes 8-10days to be delivered. If you hope to get a PRIME service, please notice to choose "Fulfilled-by-Amazon".