90% Polyester, 10% Elastane. Fabric: 4 Way Stretch. Design: Back Print, Logo. Neckline: Crew Neck. Sleeve-Type: Short-Sleeved. Fabric Technology: HeatGear, Moisture Wicking, Quick Dry, Soft. Ergonomic Seams, Flat Locked Seams, Mesh Panels, Ventilated.