New Era 9Twenty Seattle Mariners Classic Wash 1977 Strapback Hat Blue $21.99 $21.99 In stock New Era 9Twenty Seattle Mariners Classic Wash 1977 Strapback Hat Blue quantity Add to cart SKU: 0192092878633 Categories: Dad Caps, Hats, MLB, Seattle Mariners, Strapback Hats, Teams Tags: Cooperstown, Cotton, MLB, SP18 Brand: New Era, New Era 9Twenty Hats Description Additional information Additional information Color Blue Related products New Era 59Fifty San Diego Padres Fitted Royal Blue White Hat New Era 59Fifty Washington Nationals Fitted Blackout All Black Hat New Era 59Fifty San Diego Padres Fitted Black White Hat