The New Era 59Fifty Men Women Cap Boston Red Sox Alternate On Field Navy Hat is a high-quality baseball cap made of 100% polyester material. It features a navy blue color with a patch or embroidered New Era logo, making it a stylish accessory for both men and women fans of the Boston Red Sox. This authentic 2021 on-field player cap is designed for regular season games, showcasing the team's logo and branding in a classic style that is perfect for showing team spirit at any baseball event.