New Era 9Twenty Seattle Mariners CO Core Classic Strapback Hat Royal Blue $26.99 $26.99 Out of stock SKU: 0192094001770 Categories: Hats, Dad Caps, Strapback Hats, Teams, MLB, Seattle Mariners Tags: CORE, Cotton, MLB, MLB*Stock*discontinued2023 Brand: New Era, New Era 9Twenty Hats Description Additional information Additional information Color Royal Blue Related products New Era 59Fifty Washington Nationals Fitted Blackout All Black Hat New Era 59Fifty San Diego Padres Fitted Hat Blackout New Era 59Fifty Chicago White Sox Alternate Sunday Cap Authentic Collection On Field Fitted Hat