Mens or unisex vintage sweater black w/ colorful graphics medium M cotton ramie

Vintage Sportswear Systems sweater. Black with red, teal and blue graphics over front and sleeves. Size medium M, 55% cotton 45% ramie. Men’s or unisex. Crew neck and long sleeves. Preowned in very good condition, no holes, stains or fading detected. Measurements:neck to hem 25”, armpit to armpit 21”, sleeve,shoulder seam to hem 21”