Your dad deserves the best, so get him the Official On-Field Cap of #FatherDay-- psst It's 3 weeks away so start shopping now (you're welcome 😉) *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.