Cap New Era 9TWENTY Adjustable Boston Red Sox MLB Core Classic. Features team logo on front and team label on back. Embroidered New Era flag on left. Unstructured crown with adjustable strap and curved visor. Made from 100% Cotton. This stylish Boston Red Sox cap by New Era has a curved visor, unstructured crown, and strapback closure. Special features include embroidery of the team logo on the front and a loop label with the team logo at the closure on the back.