Vintage Pastel Zig Zag Pullover Heavy Wool Blend Sweater 90's 80's Retro S/M

Gently preowned vintage condition with no stains or holes, normal wash and wear such as light pilling. No tags on it so maybe handmade? Heavyweight and warm, definitely at least a wool blend. Pullover style, ivory color with fuzzy pastel zig zag pattern on front and back. Measurements are shown in photos.