100% Organic Cotton. Trim: Elastane, Organic Cotton. Design: Logo, Plain. Neckline: Crew Neck. Sleeve-Type: Short-Sleeved. Fabric Technology: Lightweight, Soft. Fit: Slim. XS: 35 in. S: 38 in. M: 40 in. L: 44 in. XL: 47 in. XXL: 50 in. Ref: UTMW4113