New Era Boston Red Sox Letterman 59Fifty Fitted fan shop The stiff one-piece design allows

The stiff one-piece design allows for extreme bat speed while delivering explosive energy transfer

Made with lightweight and stretchy woven fabric

The signature Nike True silhouette six panel cap  is constructed in Dri-FIT stretch fabric with a full structured front two panels backed in heavy buckram

100% UVA/UVB protection

and a better overall feel between athlete and bat

New Era Boston Red Sox Letterman 59Fifty Fitted fan shop The stiff one-piece design allowsThe Boston Red Sox Letterman 59FIFTY Fitted Cap features an embroidered Red Sox logo at the front panels with a Boston 9X World Series Champions script above a matching MLB Batterman logo at the rear. Additional details include a 2004 World Series patch at the right wear side, a team wordmark with the New Era flag at the left wear side, and a gray undervisor.