Vintage Sheridan Square Red knit sweater estimated size small or medium

Vintage 80s (?) Sheridan Square Red abstract or maybe Christmas lights printed knit sweater can read a size but estimating a small or medium. underarms flat is about 20" and can stretch from there. approximate measurements in photos. 100% acrylic preowned in great shape. Christmas sweater ugly Christmas sweater red sweater vintage 80s 90s grandmacore gorpcore skiing snowboarding cabincore grandma artsy art to wear 1lb 8441