Vintage Striped Sweater with Various Yarns

a gorgeous red, maroon, pink and black striped sweater. There is no label inside, my guess is it's a size M (please read measurements) and cotton/acrylic blend. Pre-owned, in excellent condition. Measurements (laid flat): Length 23", underarm to underarm 19.5, shoulder to shoulder 15", underarm to end of sleeve 17.5"