Cable Knit Wool Sweater Vest Tan Preppy Core Size L Vintage Y2K Old Navy Classic and cozy, this 100% lambswool cable knit sweater vest is a versatile layering essential with strong old money, academia, and preppy core vibes. The rich tan color pairs perfectly with crisp shirting or layered over a tee for a relaxed look. Soft, warm, and timeless it’s a must-have for transitional seasons.