This is a Gap Down Vest. It's warm because it uses PrimaLoft. The size is listed as 4Y, so it's probably around 100-110cm. Therefore, I've registered it as 100cm. Navy down vest with two front pockets and blue lining. - Color: Navy - Design: Down Vest - Pockets: Two front pockets - Back Design: Simple back - Lining: Blue lining Thank you for looking. PRIMALOFT