tandtTristin & Tyler give us their best style snippets when hitting the streets in NYC.If you don't know Tristin & Tyler, it's time to take notice. These twins about town are busy in the city, hosting events, writing their blog and interviewing celebs - and whatever they do they are guaranteed to do it in style. Each Thursday they're checking in with us with a style tip making for a very fashionable fall!Downtown Express: To be subway and street ready in New York City, rock graffiti inspired gear and camo