Also found in Chicago Bulls NBA Hats New Era Chicago Bulls Original fit 9FIFTY adjustable cotton hat by New Era with deep crown and flat brim. 'PENNANT SNAPBACK' has black crown and visor with throwback green undervisor, embroidered black and grey team pennant on front with team logo and script, embroidered team logo on side, team color plastic adjustable strap . These PENNANT SNAPBACKs are authentic Chicago Bulls hats made by New Era for official NBA - National Basketball Association teams.