It's previously owned and used and in good pre-owned condition with no stains, defects or problems. Size 6 seems like equals to size XL. Please note that this item isn't brand new and doesn't have tags. It's good to get it cleaned properly before you wear. It'll be kept in a plastic bag to prevent smell and dust. Please check the measurements before you purchase or make an offer. 45R Men's Size 6 Turquoise Short Sleeve Made in Japan Polo Shirt ET260165 Approximate Lay Flat Measurements Pit to pit: 23 inches Neck to hem: 27 inches Material: Cotton and Polyurethane Blend Thanks for your business!