"Cap Sizun" Pea coat: the authentic wool sailor peacoat. Double breasted, metal buttons, boiled Wool, tailored colloar The Pea coat or Pea Jacket was the traditioonal uniform of the Frenc Navy i-under Napoleon and was made of a fabric called caban Crossed model with buttons and side pockets. 100% wool. We like: its authentic and essential style, which endures over time with simplicity and elegance. double-breasted with a tailored collar