100% Polyester. Fabric: Stretch. Design: Plain. Neckline: Crew Neck. Sleeve-Type: Short-Sleeved. Hem: Twin Needle Stitch. Cuff: Twin Needle Stitch. Fabric Technology: Lightweight, Moisture Wicking, UV Protection. Tearaway Label. 135gsm. Sustainability: Amfori, BSCI. Sun Rating: UPF 40+.