A "classic peacoat" refers to a traditional style of double-breasted coat that is usually made of a heavy wool material, and it typically has a collar, large buttons, and vertical pockets. Full definition
(from top — L to R): Old Navy classic wool blend coat, Vince Camuto Double Breasted Raincoat, Coach classic short trench, J. Crew tall majesty peacoat, J. Crew classic peacoat (on sale!) (glamslamblog.com)
From tan and ivory hues to more vibrant shades in classic peacoat, duster and moto shapes, teddy jackets come in as many incarnations as the teddy bears they're named after. (thefashionspot.com.au)
Below I have gathered different variations of the classic peacoat to cater to each of your own personal style — most are on sale as well! (blushandblooms.com)