Shirt by Unique 21, Current mood, Peter Pan collar, Button placket, Oversized fit, Designed to look baggy, Exclusive to ASOS. Specialising in clean, minimal tailoring, British label Unique 21 smartens up your wardrobe staples with its latest offering. Designed exclusively in-house, the brand creates relaxed versions of traditionally formal separates. The result? A contemporary collection of tuxedo dresses, wide-leg jumpsuits and boyfriend blazers.