Even if you don't rep the Chisox, you gotta admit, this Authentic Collection 59FIFTY - Chicago White Sox fitted-cap from New Era—the official on-field cap of Major League Baseball and worn by team players—provides instant street-style with plenty of attitude! ; Features CoolBase technology - a revolutionary moisture-wicking, superior-drying and protects against shrinkage. ; Traditional six-panel construction with contrast button and breathable eyelets detail. ; Raised Chicago White Sox team logo embroidery at front. ; Raised Major League Baseball logo patch at back for authenticity. ; Original 59FIFTY Fitted sticker on top visor and 3-D MLB hologram sticker on bottom visor. ; 59FIFTY branded taping and a moisture absorbing sweatband on the inside. ; Do not wash. Spot wipe to clean. ; 100% polyester. Measurements: ; Circumference: 24 1 4 in ; Product measurements were taken using size 7 3/4. measurements may vary by size.