100% Polyester. Fabric: Neoteric, Stretch, Textured. Design: Plain. Neckline: Crew Neck, Self Fabric. Sleeve-Type: Long-Sleeved, Set-in. Fabric Technology: Lightweight, Moisture Wicking, Quick Dry. Back Neck Tape, Self Fabric, Side Seams, Tearaway Label, Twin Needle Stitching. Fit: Relaxed Fit. 140gsm. Sustainability: Oeko-Tex Standard 100 Certified, Vegan, WRAP Certified. XS: 34.5 in. S: 36 in. M: 37.5 in. L: 39.5 in. XL: 41 in. Ref: UTLT3090