100% Cotton. Design: Embroidered Logo. Back Style: Muscleback. Fastening: Pull Over. Neckline: Round Neck. Sleeve-Type: Sleeveless. Hem: Straight. Fit: Comfort. XS: 33 in. S: 34 in. M: 36 in. L: 38 in. XL: 40 in. XXL: 42 in. 3XL: 44 in. 4XL: 46 in. Ref: UTGT21922