A pea coat (or peacoat, pea jacket, pilot jacket, reefer jacket) is an outer coat, generally of a navy-coloured heavy wool, originally worn by sailors of European and later American navies. Pea coats are characterized by short length, broad lapels, double-breasted fronts, often large wooden, metal or plastic buttons, three or four in two rows, and vertical or slash pockets. References to the pea jacket appear in American newspapers at least as early as the 1720s, and modern renditions still maintain the original design and composition.

A "bridge coat" is a pea coat that extends to the thighs, and is a uniform exclusively for officers and chief petty officers. The reefer jacket is for officers and chief petty officers only, and is identical to the basic design, but usually has gold buttons and epaulettes. Only officers wear the epaulettes.