【High-Function Material】 Made of 100% polyester, it is lightweight and highly durable. 【Design】 Diamond fleece aluminum vest, featuring a stylish black color. 【Convenient Pockets】 Equipped with reflective material pockets for high visibility and convenience. Workman FieldCore Diamond Fleece Back Aluminum Vest Kids Size: 140 Material: 100% Polyester I am selling this because my child has outgrown it. There are no major noticeable stains. There is some pilling. Thank you for your understanding.