This authentic New Era 59FIFTY fitted baseball cap features the iconic Seattle Mariners 'S' logo embroidered in white with teal outlining on a deep navy crown. Constructed with structured, six-panel design and a flat brim for a crisp, professional silhouette. The cap includes MLB official licensing (white MLB logo on rear), New Era flag logo on the left side, and a gold-tone '59FIFTY' size tag on the brim indicating its signature low-profile, snug-fit construction. Made from high-quality wool blend fabric for durability and shape retention, it offers premium comfort with moisture-wicking sweatband lining. Ideal for fans seeking on-field authenticity or streetwear styling—perfect for game days, casual outings, or layered urban looks. The navy color (labeled '海军蓝' in image) pairs effortlessly with sporty or minimalist wardrobes. Officially licensed by MLB, this cap combines team pride with timeless headwear craftsmanship.