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Men Slim Fit Suits

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Save £65.00Men's 2-Piece Glen Check Double Breasted Suit - CARIDI - Olive GreenMen's 2-Piece Glen Check Double Breasted Suit - CARIDI - Olive Green
Save £65.00Men's 2-Piece Glen Check Double Breasted Suit - CARIDI - Navy BlueMen's 2-Piece Glen Check Double Breasted Suit - CARIDI - Navy Blue
Men's Gaston Suit with Navy Chino - Combined setMen's Gaston Suit with Navy Chino - Combined set
Men's Bond Ocean Suit with Cream Ecru Chinos - Combined SetMen's Bond Ocean Suit with Cream Ecru Chinos - Combined Set
Sold outSave £27.03Men's Cotton Slim Fit Formal Suit  - MARIO - Electric BlueMen's Cotton Slim Fit Formal Suit  - MARIO - Electric Blue
Men’s Wool Blend Double-breasted Suit – BOND D/B - Ocean Blue
Men's Tailored Fit Formal Suit - MAYFAIR - BlackMen's Tailored Fit Formal Suit - MAYFAIR - Black
Men's Tweed Check & Beige Chino Combined Suit Set - CARIDIMen's Tweed Check & Beige Chino Combined Suit Set - CARIDI
Men's Houndstooth Tweed Check Suit - JASPER Green - GreenMen's Houndstooth Tweed Check Suit - JASPER Green - Green
Men’s Satin Lapel Double-breasted Suit – ASPEN D/B - Navy BlueMen’s Satin Lapel Double-breasted Suit – ASPEN D/B - Navy Blue
Men’s Satin Lapel Double-breasted Suit – ASPEN D/B - BlackMen’s Satin Lapel Double-breasted Suit – ASPEN D/B - Black
Save £130.00Men's Twee-like Suit - NATHAN Brown - Light BrownMen's Twee-like Suit - NATHAN Brown - Light Brown
Robert Simon
Men's Twee-like Suit - NATHAN Brown - Light Brown Sale price£129.99 Regular price£259.99
Men's Pinstripe Slim Fit Navy Blue Suit -  Invincible - Navy BlueMen's Pinstripe Slim Fit Navy Blue Suit -  Invincible - Navy Blue
Men's Slim Fit Wool Blend Tuxedo Dinner Suit - ASPEN - Midnight NavyMen's Slim Fit Wool Blend Tuxedo Dinner Suit - ASPEN - Midnight Navy
Men's Slim Fit Wool Blend Tuxedo Dinner Suit - ASPEN - BlackMen's Slim Fit Wool Blend Tuxedo Dinner Suit - ASPEN - Black
Men's Slim Fit Patterned Suit - THOMAS - Navy BlueMen's Slim Fit Patterned Suit - THOMAS - Navy Blue
Men's Tailored Fit Windowpane Check Suit - Cornflower BlueMen's Tailored Fit Windowpane Check Suit - Cornflower Blue
Men's Slim Fit Herringbone Tweed Blue Suit - CARNEGI - Navy BlueMen's Slim Fit Herringbone Tweed Blue Suit - CARNEGI - Navy Blue
Men’s 3-Piece Slim Fit Textured Formal Suit - Tropez - Slate Model Picture
Men’s 3-Piece Slim Fit Textured Formal Suit - Tropez - Slate Model Front Picture
Men’s 3-Piece Slim Fit Textured Formal Suit - Tropez - Navy Blue Model PictureMen’s 3-Piece Slim Fit Textured Formal Suit - Tropez - Navy Blue Model Front Picture
Men’s 3-Piece Navy Windowpane Check Suit - Torino - Navy Model PictureMen’s 3-Piece Navy Windowpane Check Suit - Torino - Navy Model Front Picture
Save £18.00Men's Cotton Slim Fit Formal Suit  - MARIO - EcruMen's Cotton Slim Fit Formal Suit  - MARIO - Ecru
Cavani
Men's Cotton Slim Fit Formal Suit - MARIO - Ecru Sale price£91.97 Regular price£109.97
Men's Slim Fit Linen Jacket & Trousers Suit Set - ALVARI - StoneMen's Slim Fit Linen Jacket & Trousers Suit Set - ALVARI - Stone
Save £134.99Men's Slim Fit Linen Jacket & Trousers Suit Set - ALVARI - NavyMen's Slim Fit Linen Jacket & Trousers Suit Set - ALVARI - Navy
Men's Tweed Windowpane Check Tailored Fit Suit - MADRID - Navy BlueMen's Tweed Windowpane Check Tailored Fit Suit - MADRID - Navy Blue
Men's Black Velvet Floral Embroidered Suit- GEORGI - Black Model PictureMen's Black Velvet Floral Embroidered Suit- GEORGI - Black Model Front Picture
Men's Slim Fit Tuxedo Black Suit - BlackMen's Slim Fit Tuxedo Black Suit - Black
Men's Lincoln Slim Fit Burgundy SuitMen's Lincoln Slim Fit Burgundy Suit
Men's Tailored Fit Blue Suit - MAYFAIR - Royal BlueMen's Tailored Fit Blue Suit - MAYFAIR - Royal Blue
Save £27.03Men's Cotton Slim Fit Formal Suit - MARIO - NavyMen's Cotton Slim Fit Formal Suit - MARIO - Navy
Cavani
Men's Cotton Slim Fit Formal Suit - MARIO - Navy Sale price£82.94 Regular price£109.97
Save £166.00Men's Retro Check Grey Suit - RADIKA - Light Grey Model PictureMen's Retro Check Grey Suit - RADIKA - Light Grey Model Front Picture
Cavani
Men's Retro Check Grey Suit - RADIKA - Light Grey Sale priceFrom £133.97 Regular price£299.97
Save £39.97Men's Slim-Fit Blue Suit - BARESI - BlueMen's Slim-Fit Blue Suit - BARESI - Blue
Cavani
Men's Slim-Fit Blue Suit - BARESI - Blue Sale price£160.00 Regular price£199.97
Men’s Grey Puppytooth Suit – BOND D/B - GreyMen’s Grey Puppytooth Suit – BOND D/B - Grey
Men’s Double-breasted Check Navy Suit – BOND D/B - Navy CheckMen’s Double-breasted Check Navy Suit – BOND D/B - Navy Check
Men’s Check Tailored Fit Navy Suit - VICEROY - BlueMen’s Check Tailored Fit Navy Suit - VICEROY - Blue
Men's Slim Fit Blue Suit - SPECTER - BlueMen's Slim Fit Blue Suit - SPECTER - 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.

 

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