Originally Posted by robin
* Heavy cotton * Mid thigh length * Double breasted * Belt that works * Two outside pockets at the waist area * One chest pocket on the inside of the coat, that you can easily slip your hand into even if the trench is buttoned up * Epaulette straps * Horn or wood buttons * Pleated vent in the rear, which you can close with a button or snap * Nice, reinforced collar that can stand up in the wind (a shawl collar would be awesome to) * Gun flap * Straps on the sleeves to tighten them Usual Trench Colors - Khaki, Navy, Grey, Black
couldn't have summed it any better! although i would prefer a waxed cotton, or just in a synthetic fabric that's waterproof (+1 for who's idea). the epaulettes though, make sure they're not too gaudy/flashy/stand up too much, a lot of epaulettes i see these days scream "look at me!"