New Era 39Thirty Oakland Athletics Team Classic Stretch Fit Hat, Green/Yellow $29.99 $29.99 Flexfit Sizes Choose an optionS/MM/LL/XLClear New Era 39Thirty Oakland Athletics Team Classic Stretch Fit Hat, Green/Yellow quantity Add to cart SKU: N/A Categories: Hats, Flexfit Hats, Teams, MLB, Oakland Athletics Tags: CORE, FG, MLB, MLB Stock, Polyester Brand: New Era, New Era 39Thirty Hats Additional information Additional information Flexfit Sizes S/M, M/L, L/XL Color Green, Yellow Features Related products New Era 59Fifty Washington Nationals Fitted Blackout All Black Hat New Era 59Fifty Montreal Expos Cooperstown Fitted Hat Black White New Era 59Fifty San Diego Padres 1998 Tony Gwynn Inspired Throwback Cooperstown Fitted Hat Dark Navy White Orange