100% Polyester. Fabric: Soft Touch, Stretch. Design: Plain. 135gsm. Fabric Technology: Lightweight, Moisture Wicking, UV Protection. Bulk Free, Removable Kimble, Tearaway Label, Twin Needle Stitching. Neckline: High-Neck. Sleeve-Type: Long-Sleeved. Fastening: Quarter Zip. Sustainability: Amfori, BSCI. Sun Rating: UPF 40+. S: 34 in. XXL: 49 in. 3XL: 52 in.