New Era Cooperstown Athletics MLB Heritage Retro Crown 9FIFTY Cap Dark Green The New Era MLB Series features a unique combination of fitted and classic designs, structured crowns with multi-coloured panels and authentic side patches, each cap celebrates an iconic team. - 59% Wool, 41% Polyester - Six-Panel Construction - Curved Visor - Cooperstown Athletics Logo at Front - New Era Flag at Side - Strapback Closure - Style Code: 60771858 301