SIGGI Bucket Boonie Cord Golf Hat Fishing Hiking Cap Cotton for Men Women UPF 50+ 100% Cotton Imported S-M size. best fit for 22"-22.8" 56-58cm 7 - 7 1/4. Fabric: 100% cotton. SPF 50+ material blocks &gt;97.5% harmful sun UV rays. It comes with an detachable chin strap,so it won't blow away in wind. The boonie bucket cord hat is cool and breathable for outdoor activities and sports.Perfect as a fishing/hunting/hiking hat cap of unisex. 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".