If your query refers to a "veston" (the French word for a small jacket or vest), often used in early childhood education or costumes, the standard material is:
: Recommended by specialty sites like A Touch of LA for home printing because it maintains vibrant colors for custom designs. Opening | Veston
: Large grocery bags (e.g., from Trader Joe's or Wegmans) are the most common choice. If your query refers to a "veston" (the
: To create the vest, a vertical cut is made down the center for the "opening," with additional holes cut for the neck and arms. Opening | Veston