Jim Moriarty's Vivienne Westwood suit is the only wardrobe piece to be quoted throughout the entire Sherlock script. During the pool scene from the third episode of Series 1, 'The Great Game', Moriarty straightens his jacket and references it, proclaiming, 'Westwood'.
The suit itself is a two button classic featuring a skull and crossbone lining and Vivienne Westwood logo buttons.