Material Composition, Made of 80% acrylic and 20% wool. Size and Fit, One size fits most with an adjustable plastic snap strap closure, fitting up to 7 1/2. Inner Hatband, Same material inner hatband. Suitability, Adult/Unisex. Crown Specification, Crown measures 4 inches deep. Bill Specification, Bill measures 2 3/4 inches long. Care Instructi