100% Polyester. Fabric: Bird-Eye Mesh, Stretch. Design: Plain. Neckline: Flat Knit Collar, Ribbed. Sleeve-Type: Raglan, Short-Sleeved. Cuff: Twin Needle Stitch. Hem: Twin Needle Stitch. Fabric Technology: Breathable, Lightweight, Moisture Wicking, Quick Dry. 3 Button Placket, Shape Retention, Tag Free, Top Stitched Shoulder, Top Stitched Sleeves. Sustainability: Oeko-Tex Standard 100 Certified. Ref: UTRW9250