Dazzle Herringbone takes a traditional pattern, tweaks it and gives it a textured surface that all at once looks classic and modern. Wool blended yarn is used to give the style a trans-seasonal feel. The 504 cap gets its name from the number assigned to the original block shape on which it was made. Material : Wool-Acrylic-Chlorofiber Blend Other Features : Elasticized Sweatband; Embroidered Kangol Wordmark; Blended Wool-Acrylic-Chlorofiber Lining; Padded Brim. Brim : 2.25 inches Crown : Pinch Front Center Dent