Jeans and a black fleece (REI or North Face) - wearable at any time of year and to pretty much any place in Seattle.
"Is that a new fleece he's wearing?" - "Yeah, his Seattle tuxedo looks sharp"
Used to mean "in service", used by some prostitutes to signal that they are dtf
Guy: Hey are you. 10-8 tonight? Prostitute: Yeah my rates are still the same