100% Polyester. Design: Plain. Pockets: Sleeve, Pen Pocket. Neckline: Crew Neck. Sleeve-Type: Short-Sleeved. Fabric Technology: Coolchecker, Lightweight, Moisture Wicking. Easy-Care, Mesh Back Panel, Underarm Vents. 135gsm. Sustainability: Amfori, BSCI, REACH, WRAP Certified.