Stop, collaborate and listen – not just the well-known mantra of wedge-headed 80s rapper Vanilla Ice, but the ethos of the hip-hop set’s favourite lifestyle brand, too. adidas has gone nuts for collaborations of late, partnering with everyone from the high priest of steez Kanye West to top designers Rick Owens and Raf Simons. But one of its most interesting, on-going collabs is with Pharrell, which has just spawned the blindingly vibrant Supercolor collection.