This is a UNIQLO short-sleeved shirt with stretch functionality. Product Number: 331-444642 Color: White Size: L (Please refer to the size chart in the 6th photo for dimensions) - Improved details to achieve a non-iron appeal. *Avoid tumble drying. *Light ironing may be necessary depending on washing conditions. - High-quality material using fine-count yarn, pursuing a shirt-like appearance. - Features a dry function. - A slightly slim regular fit that fits the body line beautifully. - Pattern design that makes the shoulders and body look neat by utilizing the stretchability of the material. - Areas requiring freedom of movement, such as the armholes, back yoke, underarms, and sides, are sewn with stretch yarn to match the material's elasticity. - The collar and placket are reinforced with interfacing to prevent stretching and ensure sturdy construction. - A high-quality, neat shirt with a comfortable feel that you won't want to go back to your old non-iron shirts after wearing it once. - Looks like a shirt, but uses jersey material for a comfortable fit. - Can be used in a wide range of situations, including business, remote work, and clean casual. - Stretchability: Yes - Sheerness: No Material: 51% Polyester, 49% Cotton *Please note that the item may be compressed and folded small for shipping. Thank you.