Eleven Paris X Peanuts Sweater Size L it looks smaller

Eleven Paris X Peanuts Sweater Size L it looks smaller Pre owned condition. Signs of wear on. Permanent yellow stains on the sleeves located on the white area. Some kind of white fading on the sleeves and some where else. Tag size L. It looks smaller might fit like Small or medium. Chest pit to pit 20” inches across. Length 26” inches. Multicolor.