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Men Slim Fit Suits

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Save £40.00Men’s 3-Piece Textured Formal Suit with Double Breasted Waistcoat - Core - Stone Grey Model pictureMen’s 3-Piece Textured Formal Suit with Double Breasted Waistcoat - Core - Stone Grey Front Picture
Save £40.00Men’s 3-Piece Textured Formal Suit with Double Breasted Waistcoat - Core - Beige Model PictureMen’s 3-Piece Textured Formal Suit with Double Breasted Waistcoat - Core - Beige Front Picture
Save £40.00Men’s 3-Piece Textured Formal Suit with Double Breasted Waistcoat - Core - Olive Green Model PictureMen’s 3-Piece Textured Formal Suit with Double Breasted Waistcoat - Core - Olive Green Model Front Picture
Save £40.00Men’s 3-Piece Satin Lapel Tuxedo Suit with Double Breasted Waistcoat - Black Model PictureMen’s 3-Piece Satin Lapel Tuxedo Suit with Double Breasted Waistcoat - Black Model Front Picture
Save £40.00Men’s 3-Piece Textured Formal Suit with Double Breasted Waistcoat - Core - Charcoal Grey Model PictureMen’s 3-Piece Textured Formal Suit with Double Breasted Waistcoat - Core - Charcoal Grey Front Picture
Men’s 3-Piece Slim Fit Formal Suit - Malibu - Charcoal Grey Model PictureMen’s 3-Piece Slim Fit Formal Suit - Malibu - Charcoal Grey Model Front Picture
Men’s 3-Piece Slim Fit Formal Suit - Malibu - Beige Model PictureMen’s 3-Piece Slim Fit Formal Suit - Malibu - Beige
Men’s Wool 3-Piece Slim Fit Formal Suit - Bond –  AuburnMen’s Wool 3-Piece Slim Fit Formal Suit - Bond –  Auburn
Men’s Wool 3-Piece Slim Fit Formal Suit - Bond – HazelMen’s Wool 3-Piece Slim Fit Formal Suit - Bond – Hazel
Men’s 3-Piece Wool Slim Fit Formal Suit - James - Marine BlueMen’s 3-Piece Wool Slim Fit Formal Suit - James - Marine Blue
Men’s 3-Piece Blue Textured Suit - Camden - BlueMen’s 3-Piece Blue Textured Suit - Camden - Blue
Men’s 3-Piece Beige Textured Suit - Camden - BeigeMen’s 3-Piece Beige Textured Suit - Camden - Beige
Men’s 3-Piece Slim Fit Formal Suit - Malibu - Sky BlueMen’s 3-Piece Slim Fit Formal Suit - Malibu - Sky Blue
Men’s 3-Piece Slim Fit Formal Suit - Malibu - Forest GreenMen’s 3-Piece Slim Fit Formal Suit - Malibu - Forest Green
Men’s Premium Twill 3-Piece Suit - Donatella - Sage GreenMen’s Premium Twill 3-Piece Suit - Donatella - Sage Green
Save £125.00Men’s Burgundy 3 Piece Tuxedo Suit with Black Satin LapelMen’s Burgundy 3 Piece Tuxedo Suit with Black Satin Lapel

Men’s Slim Fit Suits

Looking for modern, tailored men’s slim-fit suits that sharpen your look without blowing the budget? Shop Sirri’s collection of men’s slim-fit suits. Our suits are crafted in contemporary cuts across wool, linen and blended fabrics and are available in navy, grey and seasonal colours. Perfect for weddings, workwear, proms and smarter weekend occasions, our slim-fit range is cut closer to the body for a crisp silhouette while still allowing movement.

Why Choose a Slim Fit Suit

Our slim-fit suits are designed to give a modern, streamlined look with purposeful tailoring:

  • Clean, contemporary lines: narrower waist and tapered trousers for a tailored silhouette.

  • Versatile for any occasion: from office smart to wedding guest and evening wear (we carry slim-fit tuxedos and dinner suits).

  • Move-with-you construction: offering everything from stretch blends and considered cuts to durable materials and breathable fabrics that balance fit with comfort.

  • Affordable quality: carefully selected fabrics and finishing that deliver value without compromising on style.

What You’ll Find in Our Collection

  • Styles: 2-piece and 3-piece suits, slim tuxedos/dinner suits, slim wedding suits, single- and double-breasted suit options.

  • Fabrics: Pure wool, wool blends, cotton blends, linen blends, and polyester-viscose blends.

  • Colours: Ranging from classic navy, grey, charcoal grey, black, earthy tones, and jewel tones, plus seasonal shades and statement options.
  • Sizes: Short, regular and long inseam lengths.

 

Fit & Sizing: A Quick Checklist

  1. Use the size chart that comes with each product listing. Measurements such as chest, waist, shoulder and inside leg are the key numbers.

  2. Prefer a closer fit? Choose your measured chest size for a true slim look. Want a little extra room for layering? Go one size up.

  3. We recommend professional alterations for a perfect finish.

If you’re looking for the cut that best flatters your build, check out our in-depth right suit fit guide.

Materials & Care

  • Wool & blends: Dry clean recommended for longevity.

  • Linen & Cotton blends: Gentle dry clean or specialist hand-cleaning to reduce creasing.

  • Performance/stretch fabrics: Follow the garment care label.
     

Sirri slim-fit suits combine contemporary tailoring with accessible prices. Choose from wool and blended fabrics in essential colours – finished with flattering cuts, practical linings and precision stitching. Ideal for weddings, office wear and evenings out, our slim-fit collection makes a sharp wardrobe foundation. Master layering your slim-fit suit with Sirri.

 

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