Sosandar Women's Linen Rich Slim Single Breasted Waistcoat - 12 - Navy - Available at M&S
This linen-rich waistcoat by Sosandar is a warm-weather essential. The single-breasted style is cut in a sleek slim fit, with a deep v-neckline and tortoiseshell button fastenings. Pocket detailing adds to the smart, tailored feel.