MLB Kansas City Royals Long Sleeve Therma Base Premier Jacket Polyester 92% /Spandex 8% Imported Full Zip Jacket with Olympic collar; Banded cuffs and waistband, colorblocked inserts. Therma Base technology for comfort, insulation, water resistence and stretch. Polyester-spandex blend for maximum durability and superior comfort. Features a front authentic woven emblem, a molded sleeve patch and a rubber MLB silhouetted batter patch at center back neck. 92% / 8% Polyester / Spandex Bonded fleece. Available in team colors