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Men Suits

Shop men’s suits at SIRRI, including formal suits, slim fit suits, tailored fit suits, wedding suits, business suits, tweed suits, check suits, linen suits and tuxedo styles. Find smart suits for weddings, work, parties, proms, race days and special occasions.

Use the filters to select by colour, size, fit, style, fabric and designer to find the right men’s suit for your occasion.

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269 products

Men’s 2-Piece Herringbone Casual Suit - Vasco - Beige Model PictureMen’s 2-Piece Herringbone Casual Suit - Vasco - Beige Front Picture
Men’s 3-Piece Tailored Fit Formal Suit - Belmont - Silver Model PictureMen’s 3-Piece Tailored Fit Formal Suit - Belmont - Silver Model Front Picture
Men's Slim Fit Suit - Robert Simon JACK BlackMen's Slim Fit Suit - Robert Simon JACK Black
Men's Slim Fit Indigo Suit - Robert Simon MATEO Indigo BlueMen's Slim Fit Indigo Suit - Robert Simon MATEO Indigo Blue
Save £130.00Men's Tweed Slim Fit Suit - Robert Simon JAXON Yale BlueMen's Tweed Slim Fit Suit - Robert Simon JAXON Yale Blue
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Men’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 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 Slim Fit Wool Blend Tuxedo Dinner Suit - ASPEN - Ivory Model PictureMen's Slim Fit Wool Blend Tuxedo Dinner Suit - ASPEN - Ivory Model Front Picture
Save £54.00Men's Tailored Fit Plaid 2PC Formal Suit - Paul Andrew Kurt BeigeMen's Tailored Fit Plaid 2PC Formal Suit - Paul Andrew Kurt Beige
Save £74.03Men's Tailored Fit Plaid 2PC Formal Suit -  Paul Andrew Kurt Sage GreenMen's Tailored Fit Plaid 2PC Formal Suit -  Paul Andrew Kurt Sage Green
Men's Tailored Fit Check 2PC Suit - Paul Andrew Leo GreenMen's Tailored Fit Check 2PC Suit - Paul Andrew Leo Green
Men's Tailored Fit Check 2PC Suit - Paul Andrew Leo BeigeMen's Tailored Fit Check 2PC Suit - Paul Andrew Leo Beige
Save £140.01Men's Slim Fit Linen Blend Textured Short Suit - Cavani FREDRIK BlueMen's Slim Fit Linen Blend Textured Short Suit - Cavani FREDRIK Blue
Save £135.00Men's Dark Grey Slim Fit Suit Jacket and Waistcoat with Light Grey Houndstooth Trousers - Cavani GreyMen's Dark Grey Slim Fit Suit Jacket and Waistcoat with Light Grey Houndstooth Trousers - Cavani Grey
Save £103.00Men's Royal Blue Slim Fit 3-Piece Suit with Navy Blue Windowpane Check Tweed Waistcoat - Cavani BlueMen's Royal Blue Slim Fit 3-Piece Suit with Navy Blue Windowpane Check Tweed Waistcoat - Cavani Blue
Save £103.50Men's Navy Blue Hardy Check Suit Jacket and Double-Breasted Waistcoat with Casual Stone Beige Cotton Chino Trousers - Navy Blue - Stone Beige - CavaniMen's Navy Blue Hardy Check Suit Jacket and Double-Breasted Waistcoat with Casual Stone Beige Cotton Chino Trousers - Navy Blue - Stone Beige - Cavani
Save £50.00Men's Slim Fit Windowpane Check Blue Suit - Robert Simon BLAKE Pale BlueMen's Slim Fit Windowpane Check Blue Suit - Robert Simon BLAKE Pale Blue
Men's Windowpane Tweed Check Formal Suit - Paul Andrew HUGO GreyMen's Windowpane Tweed Check Formal Suit - Paul Andrew HUGO Grey
Men’s Check Tailored Fit Navy Suit - Paul Andrew VICEROY BlueMen’s Check Tailored Fit Navy Suit - Paul Andrew VICEROY Blue
Save £74.00Men's Plaid Double-Breasted Suit - Paul Andrew KURT Sage GreenMen's Plaid Double-Breasted Suit - Paul Andrew KURT Sage Green
Men's Tweed Check Green Formal Suit - Gaston Sage  Model PictureMen's Tweed Check Green Formal Suit - Gaston Sage  Model Front Picture
Save £197.98Men's Slim Fit Textured Suit - Cavani FREDRIK BlueMen's Slim Fit Textured Suit - Cavani FREDRIK Blue
Cavani
Men's Slim Fit Textured Suit - Cavani FREDRIK Blue Sale price£27.00 Regular price£224.98
Save £39.97Men's Houndstooth Check Skinny Fit Suit - Cavani ELWOOD Tan BeigeMen's Houndstooth Check Skinny Fit Suit - Cavani ELWOOD Tan Beige
On saleMen's Cody Ice 3 Pieces Suit Formal Tweed Windowpane Check Slim Fit Set - Ice Blue - CavaniMen's Cody Ice 3 Pieces Suit Formal Tweed Windowpane Check Slim Fit Set - Ice Blue - Cavani
Save £150.00Men's Tailored Fit Retro Check Suit - Paul Andrew KENNETH Tan BrownMen's Tailored Fit Retro Check Suit - Paul Andrew KENNETH Tan Brown
Men's Slim Fit Formal Suit - Cavani MIAMI BeigeMen's Slim Fit Formal Suit - Cavani MIAMI Beige
Save £100.00Men's Tweed Check Blue Suit - Paul Andrew GRAHAM BlueMen's Tweed Check Blue Suit - Paul Andrew GRAHAM Blue
Save £144.97Men's Tweed Check Blue Suit & Brown Chino, Combined Suit Set - Cavani - Navy Blue with Rust BrownMen's Tweed Check Blue Suit & Brown Chino, Combined Suit Set - Cavani - Navy Blue with Rust Brown
Men's Slim Fit Wool Blend Tuxedo Dinner Suit - Cavani ASPEN Midnight NavyMen's Slim Fit Wool Blend Tuxedo Dinner Suit - Cavani ASPEN Midnight Navy
Save £99.00Men's Tailored Fit Formal Suit  - CHARLES - Blue Model PictureMen's Tailored Fit Formal Suit  - CHARLES - Blue Model Front Picture
Save £190.02Men's Retro Check Slim Fit Suit - Cavani TOMMY BrownMen's Retro Check Slim Fit Suit - Cavani TOMMY Brown
Cavani
Men's Retro Check Slim Fit Suit - Cavani TOMMY Brown Sale priceFrom £49.97 Regular price£239.99
Men’s Satin Lapel Double-breasted Suit – Cavani ASPEN BlackMen’s Satin Lapel Double-breasted Suit – Cavani ASPEN Black
Men’s Satin Lapel Double-breasted Suit – Cavani ASPEN Navy BlueMen’s Satin Lapel Double-breasted Suit – Cavani ASPEN Navy Blue
Men's Tweed Houndstooth Check Sky Blue Suit - Paul Andrew MARK Sky BlueMen's Tweed Houndstooth Check Sky Blue Suit - Paul Andrew MARK Sky Blue
Men's 3-Piece Tailored Fit Plaid Formal Suit - KURT - Sage GreenMen's 3-Piece Tailored Fit Plaid Formal Suit - KURT - Sage Green
Save £257.99Men's Windowpane Check Wool Navy Blue Suit - Cavani ANGELS Navy BlueMen's Windowpane Check Wool Navy Blue Suit - Cavani ANGELS Navy Blue

Men’s Suits for Weddings, Work & Formal Occasions

Discover SIRRI’s collection of men’s suits, designed for weddings, work, parties, formal events, proms, race days and smart everyday dressing. From classic formal suits to slim fit, tailored fit, tweed, check, linen and tuxedo styles, this collection brings together a wide range of men’s suits for different occasions and dress codes.

Choose from timeless colours such as navy, black, grey and blue, or explore lighter shades, checks, tweed textures and seasonal styles for a more distinctive look. Whether you need a sharp suit for business, a three-piece suit for a wedding or a smart outfit for a special event, this men’s suits collection is the best place to start.

Looking for designer tailoring? Explore our House of Cavani suits, featuring contemporary three-piece suits, traditional tweed, modern checks and formal styles for weddings, business and special occasions.

Shop Men’s Suits by Style

Use this main men’s suits collection to browse the full range, or shop by style if you already know what type of suit you need.

Choosing the Right Men’s Suit

Start with the occasion. For weddings and formal events, a navy, grey or black three-piece suit is a classic choice. For business and workwear, choose a clean formal suit in a versatile colour. For summer events, linen and lighter colours can feel more seasonal, while tweed and check suits work well for autumn, winter, rustic and vintage-inspired occasions.

Fit is also important. Slim fit suits create a sharper, closer look, while tailored fit suits offer a refined shape with a little more room. If you are unsure, check the product size guide and consider how much movement and comfort you need for the event.

Complete Your Men’s Suit Outfit

A men’s suit is easiest to style when paired with the right shirt, shoes and accessories. For a wedding or formal occasion, add a waistcoat, tie, bow tie or pocket square. For work, keep the look clean with a formal shirt, smart shoes and classic accessories.

Why Choose SIRRI Men’s Suits?

  • Wide range of men’s suits for weddings, work, parties and formal occasions
  • Styles include formal, slim fit, tailored fit, tweed, check, linen and tuxedo suits
  • Classic and modern colours including navy, black, grey, blue, beige, brown and green
  • Options for grooms, groomsmen, wedding guests, businesswear and special events
  • Easy outfit building with SIRRI shirts, shoes, waistcoats, ties and accessories

Frequently Asked Questions – Men’s Suits

What types of men’s suits can I find at SIRRI?

You can shop formal suits, wedding suits, business suits, slim fit suits, tailored fit suits, tweed suits, check suits, linen suits, tuxedos and double breasted suits at SIRRI.

What colour suit should every man own?

Navy, grey and black are the most versatile suit colours. They work well for weddings, work, interviews, parties and formal occasions.

What is the difference between slim fit and tailored fit suits?

Slim fit suits are usually cut closer through the body, arms and legs. Tailored fit suits still create a smart shape but usually offer slightly more room and comfort.

Are men’s suits suitable for weddings?

Yes. Men’s suits are suitable for grooms, groomsmen, best men, fathers of the bride or groom and wedding guests. Choose the style and colour based on the dress code, season and wedding theme.

Can I wear a suit for work?

Yes. A formal or business suit is a strong choice for work, meetings, interviews and professional settings. Navy, grey, black and blue are especially versatile for businesswear.

What should I wear with a men’s suit?

Style a suit with a formal shirt, smart shoes and accessories such as a tie, bow tie, pocket square, cufflinks or waistcoat depending on the occasion.

How do I choose the right size men’s suit?

Measure your chest, waist, inside leg and height before ordering. Check the size guide on each product page, as fit can vary between slim fit, tailored fit and regular fit styles.