The Official NFL Sideline cap from New Era is inspired by the teams established during the first decade of the NFL. Wool blend cap features a vintage look reflective of that era. Women's 9Twenty cap is the ultimate adjustable silhouette with relaxed fit crown. Has team established date felt applique on the right side, felt team logo patch on the front, and the official NFL 100 logo on the back. Stretch wool Melton blend of polyester/wool/spandex.