This hat is structured with a classic fit, flat brim, and full buckram. The adjustable snap closure makes it a comfortable, one-size-fits-most hat. • 80% acrylic, 20% wool • Structured, 6-panel, high-profile • 6 embroidered eyelets • Plastic snap closure • Green undervisor • Head circumference: 21⅝″–23⅝″ (54.9 cm–60 cm) This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions! Size guide A (inches) B (inches) C (inches) D (inches) One size 20 ⅛-23 ⅝ 4 ½ 2 ½ 7 ⅛