This hat is structured with a classic fit, flat brim, & full buckram. The adjustable snap closure makes it a comfortable, one-size-fits-most hat. 80% acrylic/20% wool (green camo is 60% cotton/40% polyester) Structured, 6-panel, high-profile Plastic snap closure Green under visor - Head circumference: 21 ⅝" - 23 ⅝" Christian Cross Shield Logo Wool Blend Snapback Hatd