90% Airlume Combed Ringspun Cotton, 10% Polyester. Fabric: Jersey. Design: Plain. Neckline: Crew Neck, Twin Needle Stitch. Sleeve-Type: Set-in, Short-Sleeved. Side Seams. Fit: Boxy. 205gsm. Sustainability: Bluesign Approved, Fair Labor Association, Fair Wear Approved, WRAP Certified.