The Sir Plus story began with boxer shorts – our first ever product, and still one of our most popular. Choose from Liberty London prints or classic stripes and dots, complimented by premium wool and cotton socks. Finish your outfit with a silk tie and patterned pocket square – not forgetting the trousers and shirt in between, of course.


Sir Plus accessories are made using the finest fabrics, including super-soft Liberty London print cotton in our boxer shorts and recycled cashmere in our scarves. Our socks are made using 100% cotton or a wool-cashmere blend.

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