Now you can dress like your favorite players in the cold in this San Francisco 49ers 2018 Official Sideline Beanie by New Era! Made in 100% acrylic, this Sideline Beanie features Winterera Technology providing extra warmth on those cold weather days! These Sideline Beanies also feature embroidered logos on the cuff as well as the team name on the crown! Includes removable team color pom on the top! Everything for the Sports Addict!