Original 9FIFTY fit adjustable cotton twill hat by New Era that has similar deep crown and flat brim fit as the 59-Fifty, black crown and kelly green visor, throwback kelly green undervisor, raised embroidered team name on front in split team colors with tonal emabroidered team logo on side front, embroidered team logo on side, secondary team color plastic adjustable Snapback strap. These are authentic Boston Celtics hats made by New Era for official NBA - National Basketball Association teams.