Hip-Hop fashion - During the 80s and 90s when hip-hop started to become popular, big chains, graphic shirts, and high top sneakers were worn. Description from pinterest.com. I searched for this on bing.com/images
http://pausemag.co.uk/2016/02/street-style-special-aap-rocky-in-fur-coat-to-yeezy-season-3/ A$AP Rocky is another rapper who has embraced fashion. This was him on his way to the YEEZY Season 3 fashion show earlier this year. Fur Coat. Red Skully. Two Gold Chains. Graphic T. Black Fitted Pants. Black Vans. He put street with luxury together, successfully. Of course he's cool for that.
Highsnobiety This is from the OVO look book. OVO is a brand created by rapper Drake. The model is wearing a velvet black shirt. Velvet is one the trendiest fabrics right now. For a guy to pull it off with an unexpected green cap is cool.