Rock your Boston Celtics pride with this officially licensed zip-up jacket, featuring water-resistant polyester construction, a half-length zip, hood with drawcords, and elastic cuffs for a comfortable, true-to-size fit. The Chalk Line Zip Up Jacket fits true to size.  Water resistant Fits true to size Made of 100% Polyester Half length zip Elastic cuffs Hood with drawcords, drawcord waist Officially licensed by the NBA