If you're not sure where to start, try Sunspel. The British label specialises in great quality basics, and from underwear to loungewear to smart pyjamas, they have off-duty dressing down to a tee.
Cool Brit label Desmond & Dempsey may have made a name for itself with fun, bold prints, but their more subdued designs are also winners. This simple, classic pair is a safe bet from a brand who really know what they're doing.
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