100% Polyester. Fabric: Micro Pique, Snag-Resistant. Design: Plain. Neckline: Collared, Ribbed. Sleeve-Type: Short-Sleeved. Cuff: Twin Needle Stitch. Hem: Twin Needle Stitch. Fabric Technology: H2X-DRY. 3 Button Placket, Logo, Moisture Wicking, Side Vents, Taped Neck. Sun Rating: UPF 40+. Conforms to Safety Standard: WRAP Certified. 140gsm. S: 38 in. M: 41 in. L: 44 in. XL: 47 in. XXL: 50 in. 3XL: 53 in. 4XL: 56 in. 5XL: 59 in. 6XL: 64 in. Ref: UTPC4457