Vintage Koret black windowpane checkered pant suit set size 10

Vintage black and white jacket and pants by Koret. Sleeves are 3/4 length and can be folded up or down. Has matching pants to buy separately in my store if wanted. loose fitting pants with an elastic waist band. Pants show signs of wear and piling especially in between thighs. Measurements taken flat Pit to pit 20" length 24.5" Measurements taken flat Waist 14.5" Hips 22" Inseam 30" Length 41"