Celebrate the special day with the Boston Red Sox by grabbing this 2023 MLB Father's Day On-Field 59FIFTY Fitted Hat. Its blue underbill and classic Boston Red Sox graphics make it a standout addition to your fan gear collection. This unique cap ensures your fandom is on full display so you'll be ready to cheer on the Boston Red Sox at the next game. Major League Baseball directs 100% of its royalties from on-field Father's Day socks and caps to MLB Charities, a 501(c)(3) non-profit. MLB Charities will then donate those funds to the Prostate Cancer Foundation to support the organization's mission in the fight against prostate cancer.