Skip to content

Cart

Your cart is empty

Men Slim Fit Suits

Sort by

152 products

Filters

Save £125.01Men's Slim Fit Textured Suit - FREDRIK Blue - BlueMen's Slim Fit Textured Suit - FREDRIK Blue - Blue
Cavani
Men's Slim Fit Textured Suit - FREDRIK Blue - Blue Sale price£99.97 Regular price£224.98
Save £199.99Men's Slim Fit Formal Suit - SEEBA Graphite - Dark GreyMen's Slim Fit Formal Suit - SEEBA Graphite - Dark Grey
Cavani
Men's Slim Fit Formal Suit - SEEBA Graphite - Dark Grey Sale price£70.00 Regular price£269.99
Save £144.97Men's Slim Fit Combined Suit - Ford / ReeganMen's Slim Fit Combined Suit - Ford / Reegan
Cavani
Men's Slim Fit Combined Suit - Ford / Reegan Sale price£80.00 Regular price£224.97
Save £189.97Men's Herringbone Suit with Double-breasted Waistcoat - Combined Set Martez RadikaMen's Herringbone Suit with Double-breasted Waistcoat - Combined Set Martez Radika
Save £125.00Men's Slim Fit Formal Black Suit - MARCO - BlackMen's Slim Fit Formal Black Suit - MARCO - Black
Cavani
Men's Slim Fit Formal Black Suit - MARCO - Black Sale price£99.97 Regular price£224.97
Save £130.00Men's Tweed Retro Check Grey Suit - POWER - GreyMen's Tweed Retro Check Grey Suit - POWER - Grey
Cavani
Men's Tweed Retro Check Grey Suit - POWER - Grey Sale price£99.97 Regular price£229.97
Save £144.97Men's Slim Fit Formal Suit - JEFFERSON Navy - Navy Blue Model PictureMen's Slim Fit Formal Suit - JEFFERSON Navy - Navy Blue Model Front Picture
Cavani
Men's Slim Fit Formal Suit - JEFFERSON Navy - Navy Blue Sale price£80.00 Regular price£224.97
Save £140.01Men's Slim Fit Linen Blend Textured Short Suit - FREDRIK Blue - BlueMen's Slim Fit Linen Blend Textured Short Suit - FREDRIK Blue - Blue
Save £144.97Men's Tweed Check Blue Suit & Brown Chino, Combined Suit Set - Navy Blue with Rust BrownMen's Tweed Check Blue Suit & Brown Chino, Combined Suit Set - Navy Blue with Rust Brown
Save £169.97Men's Tweed Check Navy Slim Fit Suit - KAISER - Navy BlueMen's Tweed Check Navy Slim Fit Suit - KAISER - Navy Blue
Cavani
Men's Tweed Check Navy Slim Fit Suit - KAISER - Navy Blue Sale priceFrom £60.00 Regular price£229.97
Save £229.99Men's Tweed Windowpane Check Slim Fit Suit - GHOST Grey - Light GreyMen's Tweed Windowpane Check Slim Fit Suit - GHOST Grey - Light Grey
Men's Orson Blue Suit with Marco Ecru Waistcoat - Combined SetMen's Orson Blue Suit with Marco Ecru Waistcoat - Combined Set
Men's Slim Fit Navy Suit - SEEBA - Navy Blue Model PictureMen's Slim Fit Navy Suit - SEEBA - Navy Blue Model Front Picture
On saleMen's Retro Check Navy Slim Fit Suit - HARDY - Navy BlueMen's Retro Check Navy Slim Fit Suit - HARDY - Navy Blue
Cavani
Men's Retro Check Navy Slim Fit Suit - HARDY - Navy Blue Sale priceFrom £94.97 Regular price£229.97
Save £130.00Men's Check Slim Fit Blue Suit - PHANTOM - BlueMen's Check Slim Fit Blue Suit - PHANTOM - Blue
Cavani
Men's Check Slim Fit Blue Suit - PHANTOM - Blue Sale price£99.97 Regular price£229.97
Save £100.02Men's Slim Fit Suit - REEGAN - Light Grey Model PictureMen's Slim Fit Suit - REEGAN - Light Grey Model Front Picture
Cavani
Men's Slim Fit Suit - REEGAN - Light Grey Sale price£129.97 Regular price£229.99
Save £172.97Men’s Grey Herringbone Tweed Suit - COSMO - GreyMen’s Grey Herringbone Tweed Suit - COSMO - Grey
Cavani
Men’s Grey Herringbone Tweed Suit - COSMO - Grey Sale priceFrom £70.00 Regular price£242.97
Save £125.00Men's Check Slim Fit Formal Grey Suit - ARRIGA - GreyMen's Check Slim Fit Formal Grey Suit - ARRIGA - Grey
Cavani
Men's Check Slim Fit Formal Grey Suit - ARRIGA - Grey Sale price£99.97 Regular price£224.97
Men's Seeba Navy with Dakota Beige Chino- Combined Suit SetMen's Seeba Navy with Dakota Beige Chino- Combined Suit Set
Save £219.99Men's Windowpane Check Wool Navy Blue Suit- ANGELS - Navy BlueMen's Windowpane Check Wool Navy Blue Suit- ANGELS - Navy Blue
Cavani
Men's Windowpane Check Wool Navy Blue Suit- ANGELS - Navy Blue Sale priceFrom £70.00 Regular price£289.99
Save £144.97Men's Slim Fit Formal Royal Blue Suit - FORD - Royal Blue Model PictureMen's Slim Fit Formal Royal Blue Suit - FORD - Royal Blue Model Front Picture
Premium Slim Fit Men's Suit – MALIBU - GreyPremium Slim Fit Men's Suit – MALIBU - Grey
Men’s 3-Piece Sage Green Textured Suit - Camden - Sage GreenMen’s 3-Piece Sage Green Textured Suit - Camden - Sage Green
Men’s 3-Piece Slim Fit Textured Formal Suit - Tropez Sky Blue - Sky BlueMen’s 3-Piece Slim Fit Textured Formal Suit - Tropez Sky Blue - Sky Blue
Men’s 3-Piece Slim Fit Textured Formal Suit - Tropez -  Mauve PinkMen’s 3-Piece Slim Fit Textured Formal Suit - Tropez -  Mauve Pink
Men’s 3-Piece Slim Fit Textured Formal Suit - Tropez - Sage GreenMen’s 3-Piece Slim Fit Textured Formal Suit - Tropez - Sage Green
Sold outMen’s 3-Piece Beige Cotton Microcheck Suit - Hampton Model PictureMen’s 3-Piece Beige Cotton Microcheck Suit - Hampton Model Front Picture
Men's Slim Fit Formal Suit- MIAMI - Sky BlueMen's Slim Fit Formal Suit- MIAMI - Sky Blue
Men's Slim Fit Formal Suit- MIAMI - BlueMen's Slim Fit Formal Suit- MIAMI - Blue
Men's Slim Fit Formal Suit- MIAMI Beige - BeigeMen's Slim Fit Formal Suit- MIAMI Beige - Beige
Sold outMen's Slim Fit Wool Blend Tuxedo Dinner Suit - ASPEN - Ivory Model PictureMen's Slim Fit Wool Blend Tuxedo Dinner Suit - ASPEN - Ivory Model Front Picture
Men's Slim Fit Wool Blend Tuxedo Dinner Suit - ASPEN - Electric Blue Model PictureMen's Slim Fit Wool Blend Tuxedo Dinner Suit - ASPEN - Electric Blue Model Front Picture
Men's Wool Blend Slim Fit Suit - BOND - Ocean BlueMen's Wool Blend Slim Fit Suit - BOND - Ocean Blue
Men's Wool Blend Slim Fit Suit - BOND - Navy CheckMen's Wool Blend Slim Fit Suit - BOND - Navy Check
Men's Wool Blend Slim Fit Suit - BOND - Puppytooth GreyMen's Wool Blend Slim Fit Suit - BOND - Puppytooth Grey
Men's Wool Blend Slim Fit Suit - BOND - Midnight BlueMen's Wool Blend Slim Fit Suit - BOND - Midnight Blue

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.