Inspired by an original early 20th century vest, our version is made in the same type of lightweight, 100% wool knit fabric and carefully assembled exactly the same as the original vest. This is a knockout! Knit fabric means a comfortable stretch fit while maintaining authenticity. Thin wool knit gives more versatility in this garment over a bulky sweater vest, because it will breathe better, and not add as much thickness under your coat or jacket. This vest is appropriate from impressions from 1900-1930.