Made-to-Measure Cashmere V-Neck Sweater VestA 100% cashmere sweater vest; custom made to your body measurements. The v neck sweater vest is a timeless layering piece that has been a part of well dressed mens closets for hundreds of years thanks to its versatility, comfort and functional layering ability. Whether you style it over a shirt or under a jacket it gives American prep style, old money vibes and smart casual ease.