SIRPLUS | British menswear born from surplus fabrics
Longer days,lighter layers.
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Add to cartHickory Brown Linen Pleated Trousers
Regular price £255Regular priceUnit price / perSale price £255Part of a suit -
Part of a suit
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Sand & Blue Cotton Linen Stripe Shirt
Regular price £125Regular priceUnit price / perSale price £125new in -
Blue & Green Cotton Linen Stripe Shirt
Regular price £125Regular priceUnit price / perSale price £125new in
Spring, in a suit.
Linen, cotton, and seersucker suiting. Cut for warmer months—relaxed in all the right places, sharp where it counts.
Tailoring Collection, Styled for You
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Nehru Jackets & Waistcoats
A beloved style, ready to celebrate — in linen, cotton, wool and velvet. Effortless, understated, and designed to elevate any occasion.
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Shop NowDouble-Breasted Waistcoats
Cut from fine British and Italian cloth — the quiet confidence piece for weddings, races and everything in between.
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Shop NowBoxer Shorts
A little piece of SIRPLUS history, our signature straight-fit boxers have been crafted to perfection over the past decade.
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Our Stores
Our shops are places to slow down for a moment. Pop in, have a look around, and stay for a chat. We’re always happy to see a friendly face.
For a Life Well-Lived
At SIRPLUS, we make contemporary menswear from quality fabrics. We started out by making boxer shorts out of surplus material from London Shirt makers. Today, we create a full wardrobe of simple and relaxed designs, with a vision of your clothes lasting longer, being worn more often and adapting to a variety of seasons.