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 with throwback green undervisor, embroidered city name and team logo over split color team name on front, New Era 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.