ililily Genuine Leather Vintage Simple Baseball Cap Trucker Hat Leather Snapback Flexfit Pre-curved bill Vintage Style Embroidery patched Worn look Medium Size (Adjustable) 7 1/8 - 7 1/4, One size fits most for normal adult 56.8 - 57.7Cm (22 3/8 - 22 3/4 In) It's Gangnam Style!