Vintage Acrylic Black and Tan Geometric Print Stripes Cardigan Sweater small

Vintage Acrylic Black and Tan Geometric Print Stripes knit Cardigan 1970’s long sleeve Cardigan Excellent condition No tags I’m listing as size medium, please see apt measurements in pics. I’m a size 6 and this fits with a little room emit spare. One side at waist has a loop. Probably had an option for a belt. Sw21acry 3122001p