No one's a bigger Boston Red Sox fan than you, and that'll be clear when you rock this Mother's Day On-Field 59FIFTY Fitted Hat from New Era. The crisp Boston Red Sox graphics make this a unique addition to your collection and will help you stand out from fellow baseball fans. Whether you're headed to the field or watching from home, you'll let everyone know your allegiance lies with the Boston Red Sox. Major League Baseball will donate its licensed royalties from the sales of these items to organizations supported by MLB Charities, including Susan G. Komen and Stand Up To Cancer.