This unisex Derby Bowler Hat in St. Patrick's Day green felt with gold foil trim is perfect for Leprechauns, elves, Mayor of Munchkinland, elves for Christmas, Victorian styles, Halloween, theatrical productions, cosplay, Comic Cons and more! This hat comes in adult size Medium - approximately size 7 (56-57 cm) or Large - approximately size 7 1/4 (58 cm). Other St. Patrick's Day costumes and accessories are sold separately on our page – subject to availability.