Navy Cotton Linen Formal Trouser


Only 1 piece in stock!

Another upgraded version of SIRPLUS formalwear classics. Crafted in England from our newest seasonal linen-cotton blend, these navy formal trousers are as breathable as they are durable.  Cut with a medium rise, they have a zip fly and are equipped with comfortable ring pockets. Fastening with black mock horn buttons from the UK,  brace buttons are included incase needed. An additional waistband grip makes for adaptability and reaching the perfect fit. A formal occasion staple, best worn with a linen grandad shirt and its matching blazer or Nehru jacket.

  • 58% Linen, 42% BCI Cotton
  • Lining: 100% Italian Surplus Cotton
  • Black Mock Horn Buttons
  • Made in England
  • Style No. SP/MF/TR/CL713

Please note that all formal trousers are left unfinished, to be set at your required length.


SIRPLUS ships from the UK and offer free UK next working day shipping for all orders over £150 placed before 12pm GMT*.

We are also happy to offer free shipping to all countries based on a minimum order spend. Please click here for further details.

You can return any unworn, full price items bought through our online portal or in any of our London stores within 14 days of the date you received your order for either an exchange or refund.

We do not accept returns on boxer shorts, socks, face masks, made to order items or custom items unless they’re faulty.

Christmas policy:
We've extended our returns policy to give you some extra time to make sure everything fits perfectly. You can return any unworn, full price items bought online or in any of our London stores or events between 1st of November until 24th of December by 7th January for a refund and 14th January for exchange of your order.

Sales policy:
Sale items must be returned within 14 days of the date you received your order, and can only be exchanged or returned for a credit note.

Please contact us at for further assistance with a return or exchange. 

Orders are subject to fraud checks and this can delay processing of orders. You will receive a shipping confirmation with tracking details when your order has left our warehouse and is en route to you.