100% Polyester. Fabric Technology: Breathable, Climacool, Lightweight, Moisture Wicking. Fabric: Double Knit. Sleeve-Type: Short-Sleeved. Design: Crest, Embroidered Logo. 100% Officially Licensed. Sizing Template: Chest: (XS) 32-34in | (S) 34-36in | (M) 36-39in | (L) 39-42 | (XL) 43-46in | (2XL) 47-51in | (3XL) 51-56in. Ref: UTGT58082