Skip to content
Free UK delivery 10% off your first order Free UK tracked returns Lowest prices guaranteed Worldwide shipping options available Free UK delivery 10% off your first order Free UK tracked returns Lowest prices guaranteed Worldwide shipping options available
NHS & STUDENT DISCOUNT → NHS & STUDENT →

Cart

Your cart is empty

Boys Suits

Shop boys suits and kids formal suits for weddings, page boys, communion, prom, Eid and special occasions. Explore 3-piece and 5-piece suit sets, tuxedos, waistcoat suits, slim fit, tailored fit and husky fit styles for toddlers, boys and teens.

Use the filters to shop by size, colour, fit and occasion and complete the outfit with SIRRI shirts, shoes and accessories. UK delivery and international shipping options are available.

Sort by

637 products

Filters

Boys’ 3-Piece Beige Cotton Microcheck Suit - Hampton  Model PictureBoys’ 3-Piece Beige Cotton Microcheck Suit - Hampton  Model Front Picture
Boys’ 3-Piece Slim Fit Textured Formal Suit - Tropez - Mauve Pink Model PictureBoys’ 3-Piece Slim Fit Textured Formal Suit - Tropez - Mauve Pink Model Front Picture
Boys’ 3-Piece Slim Fit Textured Formal Suit - Tropez - Sage Green Model PictureBoys’ 3-Piece Slim Fit Textured Formal Suit - Tropez - Sage Green Model Front Picture
Boys’ 3-Piece Slim Fit Textured Formal Suit - Tropez - Sky Blue Front PictureBoys’ 3-Piece Slim Fit Textured Formal Suit - Tropez - Sky Blue Model Front Picture
Boys’ 3-Piece Slim Fit Textured Formal Suit - Tropez - Slate Grey Model PictureBoys’ 3-Piece Slim Fit Textured Formal Suit - Tropez - Slate Grey Model Front Picture
On saleBoys Tailored Fit Formal Suit - Parliament BlueBoys Tailored Fit Formal Suit - Parliament Blue
SIRRI
Boys Tailored Fit Formal Suit - Parliament Blue Sale priceFrom $57.00 Regular price$98.00
(2)
On saleBoys Tailored Fit Formal Suit - BlackBoys Tailored Fit Formal Suit - Black
SIRRI
Boys Tailored Fit Formal Suit - Black Sale priceFrom $54.00 Regular price$98.00
(1)
On saleBoys Complete Tail Morning Suit - Cream - IvoryBoys Complete Tail Morning Suit - Cream - Ivory
Beau Kid
Boys Complete Tail Morning Suit - Cream - Ivory Sale priceFrom $74.00 Regular price$163.00
On saleBoys Complete Tail Morning Suit - Charcoal Grey - Ivory Front PictureBoys Complete Tail Morning Suit - Charcoal Grey - Ivory Back Picture
Beau Kid
Boys Complete Tail Morning Suit - Charcoal Grey - Ivory Sale priceFrom $57.00 Regular price$163.00
On saleBoys Complete Tail Morning Suit - Black - IvoryBoys Complete Tail Morning Suit - Black - Ivory
Beau Kid
Boys Complete Tail Morning Suit - Black - Ivory Sale priceFrom $57.00 Regular price$163.00
(1)
Boys Velvet Trim Black Formal Suit - Black Model PictureBoys Velvet Trim Black Formal Suit - Black Back Picture
Boys Twill Blue Self-Pattern Suit - Blue Model PictureBoys Twill Blue Self-Pattern Suit - Blue Model Front Picture
Save $73.00Boys Striped Cotton Seersucker Short Suit – ALEXANDER - NavyBoys Striped Cotton Seersucker Short Suit – ALEXANDER - Navy
Boys Cotton Piping Sky Blue Shorts Suit - Blue Model PictureBoys Cotton Piping Sky Blue Shorts Suit - Blue Back Picture
Boys  Communion Slim Fit Textured 8-Piece Formal Suit Set - Ivory Model PictureBoys  Communion Slim Fit Textured 8-Piece Formal Suit Set - Ivory Model Front Picture
On saleBoys Tweed Tailored Fit Formal Suit - Ralph - Grey - Navy BlueBoys Tweed Tailored Fit Formal Suit - Ralph - Grey - Navy Blue
On saleBoys Tweed Tailored Fit Formal Suit - Ralph - CreamBoys Tweed Tailored Fit Formal Suit - Ralph - Cream
Paul Andrew
Boys Tweed Tailored Fit Formal Suit - Ralph - Cream Sale priceFrom $88.00 Regular price$163.00
On saleBoys Tweed Tailored Fit Formal Suit - Ralph - BeigeBoys Tweed Tailored Fit Formal Suit - Ralph - Beige
Paul Andrew
Boys Tweed Tailored Fit Formal Suit - Ralph - Beige Sale priceFrom $90.00 Regular price$163.00
On saleBoys Windowpane Tailored Fit Suit- HARVEY - Navy BlueBoys Windowpane Tailored Fit Suit- HARVEY - Navy Blue
Paul Andrew
Boys Windowpane Tailored Fit Suit- HARVEY - Navy Blue Sale priceFrom $122.00 Regular price$163.00
On saleBoys Windowpane Tailored Fit Suit- HARVEY - Dark Charcoal GreyBoys Windowpane Tailored Fit Suit- HARVEY - Dark Charcoal Grey
On saleBoys Tailored Fit Formal Suit - Charcoal GreyBoys Tailored Fit Formal Suit - Charcoal Grey
Paul Andrew
Boys Tailored Fit Formal Suit - Charcoal Grey Sale priceFrom $106.00 Regular price$139.00
On saleBoys Tailored Fit Suit Set In Sky Blue - Charles - BlueBoys Tailored Fit Suit Set In Sky Blue - Charles - Blue
Paul Andrew
Boys Tailored Fit Suit Set In Sky Blue - Charles - Blue Sale priceFrom $90.00 Regular price$161.00
Boys 3-Piece Tweed Glen Check Slim Fit Suit - CARIDI - Olive GreenBoys 3-Piece Tweed Glen Check Slim Fit Suit - CARIDI - Olive Green
Boys Tweed Houndstooth Check Slim Fit Suit - CARIDI - BlueBoys Tweed Houndstooth Check Slim Fit Suit - CARIDI - Blue
Boys 3-Piece Tweed Glen Check Slim Fit Suit - CARIDI - Navy BlueBoys 3-Piece Tweed Glen Check Slim Fit Suit - CARIDI - Navy Blue
On saleBoys Slim Fit Navy Suit - SEEBA - Navy BlueBoys Slim Fit Navy Suit - SEEBA - Navy Blue
Cavani
Boys Slim Fit Navy Suit - SEEBA - Navy Blue Sale priceFrom $74.00 Regular price$163.00
Boys Slim Fit Tweed Check Suit - CARIDI - Sage Green Model PictureBoys Slim Fit Tweed Check Suit - CARIDI - Sage Green Model Back Picture
Boys 3-Piece Tweed Glen Check Slim Fit Suit - CARIDI - BrownBoys 3-Piece Tweed Glen Check Slim Fit Suit - CARIDI - Brown
Save $24.00Boys’ Tailored Fit Tweed Check Suit – LEO - BeigeBoys’ Tailored Fit Tweed Check Suit – LEO - Beige
(1)
Boys 3-Piece Slim Fit Formal Suit - Malibu - BlackBoys 3-Piece Slim Fit Formal Suit - Malibu - Black
Boys 3-Piece Slim Fit Formal Suit - Malibu - Navy BlueBoys 3-Piece Slim Fit Formal Suit - Malibu - Navy Blue
Save $24.00Boys 3 Piece Navy ًWindowpane Check Tweed Suit - MADRID - NavyBoys 3 Piece Navy ًWindowpane Check Tweed Suit - MADRID - Navy
On saleBoys Tailored Fit Formal Suit - AIDEN - Black Model PictureBoys Tailored Fit Formal Suit - AIDEN - Black Back Picture
Robert Simon
Boys Tailored Fit Formal Suit - AIDEN - Black Sale priceFrom $54.00 Regular price$98.00
On saleBoys Tailored Fit Formal Light Blue Suit Set - Light BlueBoys Tailored Fit Formal Light Blue Suit Set - Light Blue Back Picture
Robert Simon
Boys Wool Blend 5-Piece Formal Suit - Royal Blue Sale priceFrom $56.00 Regular price$90.00
Sold outBoys Beige Suit with Patterned Waistcoat and Cravat Set - Beige - IvoryBoys Beige Suit with Patterned Waistcoat and Cravat Set - Beige - Ivory
Boys Formal Suit with Patterned Waistcoat and Cravat Set - Grey and IvoryBoys Formal Suit with Patterned Waistcoat and Cravat Set - Grey and Ivory

Boys Suits for Weddings, Communion, Prom & Special Occasions

Discover SIRRI’s collection of boys suits made for big moments — weddings, page boy duties, Holy Communion, prom, Eid, school ceremonies and formal family events. This is the main place to browse boys suit sets across different fits, colours, fabrics and levels of formality.

Choose from smart boys 3-piece suits, complete boys 5-piece suits, waistcoat suit sets, slim fit styles, tailored fits, tuxedos and seasonal fabrics. Whether he needs a classic navy suit, a wedding-ready page boy outfit or a standout prom suit, SIRRI makes it easier to build a polished look from toddler sizes through to teen sizes.

Start Here: 3-Piece & 5-Piece Boys Suit Sets

If you are choosing a boys suit online, the first step is deciding how complete you want the outfit to be. A 3-piece suit gives a smart layered look, while a 5-piece suit set is useful when you want more of the styling pieces already coordinated.

  • Boys 3-piece suits – a classic choice for weddings, page boys, communion, parties and formal occasions, usually built around a jacket, waistcoat and trousers.
  • Boys 5-piece suits – ideal when you want a more complete, ready-to-wear outfit with coordinated finishing pieces.
  • Boys waistcoat suits – a smart layered option when the waistcoat is a key part of the look.

What Comes in a Boys Suit Set?

Boys suit sets can vary by style. A 3-piece suit usually includes a jacket, waistcoat and trousers, while 5-piece suits may include extra coordinated pieces such as a shirt, tie, bow tie or accessory. Always check the product page before ordering so you know exactly what is included in the set.

If you already have some pieces at home, a 3-piece suit may be enough. If you want the outfit to arrive with more of the styling done for you, a 5-piece suit set can save time and make the full look easier to coordinate.

Shop Boys Suits by Occasion

Choose the event first, then refine by fit, colour and suit type. This helps keep the outfit appropriate for the occasion while still giving him room to feel comfortable and confident.

  • Boys page boy suits – coordinated wedding outfits for page boys, ring bearers and young wedding guests.
  • Boys communion suits – refined formal suits for First Holy Communion and religious ceremonies.
  • Boys prom suits – sharper styles, modern fits and standout designs for juniors and teens.
  • Boys tuxedos – black-tie looks for formal dinners, weddings, parties and evening events.
  • Boys funeral suits – respectful, traditional colours for sombre occasions.
  • Boys casual suits – smart-casual sets for less formal celebrations, dinners and family gatherings.

Choose the Right Fit: Slim, Tailored, Regular & Husky

A good boys suit should look smart without feeling restrictive. The jacket should sit neatly on the shoulders, the waistcoat should close without pulling, and the trousers should feel comfortable when he sits, walks and moves.

Finding the Right Boys Suit Size

For the best fit, measure his height, chest, waist and inside leg before ordering. Age is a useful starting point, but boys grow at different speeds, so measurements are more reliable than age alone.

Check the size guide on the individual product page and use SIRRI’s boys suit measuring guide if you need help choosing between sizes. If he has a broader build, consider husky fit boys suits rather than sizing up and risking sleeves or trousers that are too long.

Shop Boys Suits by Colour

Colour can change the whole feel of a boys suit. Navy, black and grey are classic choices for weddings, communion, school events and formal family occasions. Blue, beige, cream and lighter shades work well for spring and summer celebrations, while burgundy, green, tweed, check and velvet styles add more personality for parties, prom and autumn/winter events.

For wedding parties, choose a colour that works with the bridesmaids, groomsmen, flowers or venue theme. For formal events, keep the suit simple and use accessories such as a boys tie and hanky set or boys bow tie to add a coordinated finish.

Fabrics & Styles for Every Season

Match the suit fabric to the weather, venue and formality of the event. Lightweight fabrics are better for warmer months and outdoor celebrations, while textured fabrics bring depth to cooler-weather outfits.

  • Boys linen suits – breathable styles for summer weddings, garden parties and warm-weather events.
  • Boys tweed suits – heritage-inspired suits for autumn, winter and country-style occasions.
  • Boys velvet and suede suits – rich textures for evening events, parties, Christmas and statement formalwear.
  • Boys corduroy suits – soft textured suits with a smart seasonal finish.
  • Boys patterned suits – checks, stripes, pinstripes and standout designs for boys who want something less plain.

Complete the Look

Finish his suit with a crisp boys formal shirt, smart boys brogues or Oxford shoes and the right accessories. For a classic outfit, choose a matching tie and hanky. For black-tie or evening occasions, a bow tie gives a cleaner formal finish.

Planning a coordinated family or wedding-party outfit? Explore father and son suits for matching adult and boys styles, or browse father and son ties and tie sets for a smaller matching detail.

Why Parents Choose SIRRI Boys Suits

  • Wide range of boys suits for weddings, communion, prom, Eid and formal events
  • 3-piece and 5-piece suit sets for different levels of styling
  • Sizes for toddlers, boys and teens, including husky fit options
  • Slim fit, tailored fit, regular fit and double-breasted styles
  • Seasonal fabrics including linen, tweed, velvet, suede-style, corduroy and patterned suits
  • Easy outfit building with SIRRI shirts, shoes, ties, bow ties and accessories
  • UK delivery, international shipping and returns available according to SIRRI’s policy

Frequently Asked Questions – Boys Suits

What is the difference between a 3-piece and a 5-piece boys suit?

A 3-piece boys suit usually includes a jacket, waistcoat and trousers, giving a classic layered formal look. A 5-piece boys suit set usually includes extra coordinated pieces, making it useful when you want a more complete outfit with less styling effort. Always check the product page to confirm exactly what is included.

What should a page boy wear to a wedding?

A page boy usually wears a smart suit, waistcoat suit or 5-piece suit set in a colour that works with the wedding theme. Navy, grey, beige, ivory and blue are popular choices, while tweed, check or velvet can add more character depending on the season and venue.

How do I measure a boy for a suit?

Measure his height, chest, waist and inside leg before ordering. The chest helps with jacket fit, the waist helps with trouser comfort, and the inside leg helps you judge trouser length. Use SIRRI’s boys suit measuring guide if you are unsure.

Should I choose a slim fit, tailored fit or regular fit boys suit?

Choose slim fit for a closer modern shape, tailored fit for a smart structured look with more room to move, and regular fit when comfort and ease are the main priorities. If he needs extra room around the waist or body, a husky fit suit may be a better choice than sizing up.

What colour boys suit is best for a wedding?

Navy, grey, beige, ivory and light blue are easy wedding choices because they work with many themes. Black and dark navy feel more formal, while green, burgundy, tweed and check styles can suit autumn, winter or countryside weddings.

Can boys wear suits to prom?

Yes. Boys suits are a strong choice for prom, especially for older boys and teens who want a sharper formal look. Slim fit suits, tuxedos, patterned suits and velvet or textured styles are all popular options for prom and graduation events.

What is the difference between a boys suit and a boys tuxedo?

A boys suit is a versatile formal outfit that can be worn for weddings, communion, parties and school events. A boys tuxedo is more formal and usually has black-tie styling, often with satin-style lapels and a bow tie. Choose a tuxedo for evening events, black-tie dress codes and very formal occasions.

Are linen boys suits good for summer weddings?

Yes. Linen suits are a good choice for summer weddings, garden parties and warm-weather events because they have a lighter, more breathable feel. For autumn and winter events, tweed, velvet, corduroy or darker suit colours may feel more suitable.

Do you sell boys suits for broader builds?

Yes. SIRRI offers husky fit boys suits for boys who need extra room through the body. This can be better than simply sizing up, because sizing up may make the jacket sleeves and trouser length too long.

Can I match father and son suits?

Yes. For weddings, Eid, family photos and formal celebrations, browse SIRRI’s father and son suits for coordinated adult and boys styles. You can also use matching ties, bow ties or pocket squares for a more subtle family match.

What shoes should boys wear with a suit?

Boys suits work best with formal shoes such as brogues, Oxford shoes, lace-up shoes or smart loafers. Black shoes are best for black, grey and navy suits, while brown or tan shoes can work well with beige, blue, tweed, check and countryside-inspired outfits.

Do SIRRI boys suits come in toddler and teen sizes?

SIRRI offers boys suits across a wide age range, from younger boys through to teen sizes. Use the size filters and product size guides to find the closest fit, and check measurements before ordering for the best result.

How should I care for a boys suit?

Always follow the care label on the individual product. Many formal suits should be spot cleaned or dry cleaned, especially structured, tweed, velvet, linen or textured styles. Hang the suit after wearing and avoid harsh washing unless the garment instructions allow it.

Liquid error (layout/theme line 477): Could not find asset snippets/localization-popup.liquid