Vintage DIY Grandma Sweatshirt Cardigan M? Blue Shawl Collar Patchwork Button Up

Vintage DIY sweatshirt cardigan sweater with patchwork shawl collar and full button front. No size tag. Please see measurements for size. Measurements (approximate)- Length (shoulder to hem): 24" Underarm to underarm (laying flat): 21" Sleeves (shoulder seam to cuff): 24" Condition: Gently pre-owned. No size tag. Please see measurements for size. Light wash wear.