This item is from a few years ago, so the neckline and other parts are more durable than what is currently sold. You can wear it without the neckline becoming stretched out. GU navy color T-shirt, made of a comfortable polyester and cotton blend. ● Size: Tagged M size Shoulder width: 53cm Body width: 56cm Length: 65cm Please note that these are amateur measurements and may have slight errors. ● Material: Please refer to the photos. ● Condition: Stored at home for a long time without being worn. Please purchase with the understanding that this is a used item. ● Other notes: Stored in a home apartment. Please check the photos for detailed design. - Brand: GU - Color: Navy - Size: M - Material: 80% Polyester, 20% Cotton Thank you for looking.