This garment comes with detailing around the collar, cuffs and buttons, is closely modelled on my own trench coat, and features a flexi-prim belt with holes and buckle - look closely. The colour is a dark charcoal, but not so dark that detail and shading are lost.
See it at Mako Magellan HQ secondlife://Cdn%20Kittiwickshire/58/119/23
These links will take you straight to the item on the Onrez, APEZ and SLExchange sites, respectively:
http://shop.onrez.com/item/341136
http://www.apez.biz/modules.php?name=Shop&op=product&id=72072
http://uncensored.slexchange.com/modules.php?name=Marketplace&file=item&ItemID=349405