Swimsuit by Unique 21, Just add water, Plunge neck, Take a dive, Strappy design, Brief cut. 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.