This On Field 59Fifty Is The Official On-Field Cap of National Football League and Is Worn by Every National Football League Player. Performance Is Enhanced Through Coolera Technology Featuring Revolutionary Wicking, Superior Drying, and Shrink Resistance. Designed with An Embroidered (Raised) Arizona Cardinals Team Logo At Front and Stitched National Football League Logo Patch At Back. Interior Includes Branded Taping As Well As A Coolera Moisture Wicking Black Sweatband. Fitted, Closed Back.