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Boys 3-Piece Suits

Shop boys 3-piece suits for weddings, page boys, First Communion, Eid, prom and special events.

Select from classic navy, grey, and black or lighter shades plus tweed, check, and textured styles for a photo-ready finish.

Use filters to shop by size, colour and fit and find the right boys suit for your little one.

Shop by style: Navy 3-Piece Suits | Grey 3-Piece Suits | Black 3-Piece Suits

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221 products

On saleBoys 3 Piece Tweed Windowpane Check Tailored Fit Suit - Robert Simon Ryan Navy BlueBoys 3 Piece Tweed Windowpane Check Tailored Fit Suit - Robert Simon Ryan Navy Blue
Boys Tweed Houndstooth Check Slim Fit Suit - CARIDI - Beige Model PictureBoys Tweed Houndstooth Check Slim Fit Suit - CARIDI - Beige Model Front Picture
On saleBoys 3-Piece Piping Velvet Tuxedo Suit - LONDON - Navy BlueBoys 3-Piece Piping Velvet Tuxedo Suit - LONDON - Navy Blue
SIRRI
Boys 3-Piece Piping Velvet Tuxedo Suit - LONDON - Navy Blue Sale priceFrom $73.00 Regular price$130.00
On saleBoys 3-Piece Wool Tweed Windowpane Check Suit - Liam - Beige Model PictureBoys 3-Piece Wool Tweed Windowpane Check Suit - Liam - Beige Back Picture
On saleBoys 3 Piece Textured Tailored Fit Blue Suit - Robert Simon LONDON BlueBoys 3 Piece Textured Tailored Fit Blue Suit - Robert Simon LONDON Blue
On saleBoys 3-Piece Tailored Fit Textured Suit - Robert Simon ADRIAN Dark BeigeBoys 3-Piece Tailored Fit Textured Suit - Robert Simon ADRIAN Dark Beige
On saleBoys 3-Piece Cotton-Linen Smart Casual Suit - KETEN - BeigeBoys 3-Piece Cotton-Linen Smart Casual Suit - KETEN - Beige
SIRRI
Boys 3-Piece Cotton-Linen Smart Casual Suit - KETEN - Beige Sale priceFrom $41.00 Regular price$65.00
Boys 3 Piece Navy ًWindowpane Check Tweed Suit - Paul Andrew MADRID NavyBoys 3 Piece Navy ًWindowpane Check Tweed Suit - Paul Andrew MADRID Navy
Boys 3-Piece Tweed Glen Check Slim Fit Suit - Cavani CARIDI Olive GreenBoys 3-Piece Tweed Glen Check Slim Fit Suit - Cavani CARIDI Olive Green
On saleBoys Tuxedo Suit - Corduroy Velvet Waistcoat & shawl lapel - White- Black Front Open PictureBoys 3-Piece Tuxedo Suit - Corduroy Velvet Waistcoat & Shawl lapel - White & Black
Boys’ 3-Piece Slim Fit Textured Formal Suit - Tropez - Navy Blue Model PictureBoys’ 3-Piece Slim Fit Textured Formal Suit - Tropez - Navy Blue Model Front Picture
On saleBoys Slim Fit Formal Suit - Royal Blue Model PictureBoys Slim Fit Formal Suit - Royal Blue Back Picture
SIRRI
Boys 3-Piece Slim Fit Formal Suit - Royal Blue Sale priceFrom $72.00 Regular price$114.00
Boys 3-Piece Glen Check Tweed Formal Suit - Regent - Navy Blue Model PictureBoys 3-Piece Glen Check Tweed Formal Suit - Regent - Navy Blue Back picture
On saleBoys 3-Piece Tailored Fit Formal Suit - Robert Simon LANDON Charcoal GreyBoys 3-Piece Tailored Fit Formal Suit - Robert Simon LANDON Charcoal Grey
On saleBoys Slim Fit Formal Black Suit - 3-Piece & 6-Piece - Cavani MARCO BlackBoys Slim Fit Formal Black Suit - 3-Piece & 6-Piece - Cavani MARCO Black
Boys Wool Blend Herringbone Check Suit - 3-Piece & 6-Piece - Cavani ALBERT GreyBoys Wool Blend Herringbone Check Suit - 3-Piece & 6-Piece - Cavani ALBERT Grey
On saleBoys 3-Piece Shawl Lapel Tuxedo Suit with Corduroy Velvet Waistcoat - BlackBoys 3-Piece Shawl Lapel Tuxedo Suit with Corduroy Velvet Waistcoat - Black
Save $25.00Boys 3-Piece Tweed Glen Check Slim Fit Suit - Cavani CARIDI WineBoys 3-Piece Tweed Glen Check Slim Fit Suit - Cavani CARIDI Wine
On saleBoys’ 3-Piece Pinstripe Double-Breasted Suit - Ivory & Mocha Model PictureBoys’ 3-Piece Pinstripe Double-Breasted Suit - Ivory & Mocha Model Front Picture
Boys 3-Piece Tweed Glen Check Slim Fit Suit - Cavani CARIDI BrownBoys 3-Piece Tweed Glen Check Slim Fit Suit - Cavani CARIDI Brown
Sold outOn saleBoys Slim Fit Formal Suit - Black Front PictureBoys Slim Fit Formal Suit - Black Back Picture
SIRRI
Boys 3-Piece Slim Fit Formal Suit - Black Sale priceFrom $72.00 Regular price$114.00
Boys Tailored Fit Formal Suit - 3-Piece or 6-Piece - Paul Andrew Charcoal GreyBoys Tailored Fit Formal Suit - 3-Piece or 6-Piece - Paul Andrew Charcoal Grey
Boys 5-Piece Tweed Like Glen Check Suit - Luis Pale Blue Front PictureBoys 5-Piece Tweed Like Glen Check Suit - Luis Pale Blue Model Picture
Boys 3-Piece Tailored Fit Blue Suit - Paul Andrew MAYFAIR NavyBoys 3-Piece Tailored Fit Blue Suit - Paul Andrew MAYFAIR Navy
On saleBoys Tailored Fit Tweed Suit with Chino - 3 Piece or 6 Piece - COSMO NavyBoys Tailored Fit Tweed Suit with Chino - 3 Piece or 6 Piece - COSMO Navy
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 Textured Formal Navy Suit - Paul Andrew ARTHUR Navy BlueBoys 3-Piece Textured Formal Navy Suit - Paul Andrew ARTHUR Navy Blue
Boys 3-Piece Tailored Fit Formal Suit - Paul Andrew Belmont BeigeBoys 3-Piece Tailored Fit Formal Suit - Paul Andrew Belmont Beige
On saleBoys 3-Piece Slim Fit Piping Velvet Tuxedo Suit - LONDON - PurpleBoys 3-Piece Slim Fit Piping Velvet Tuxedo Suit - LONDON - Purple
Boys 3-Piece Tweed Houndstooth Check Slim Fit Suit - Cavani CARIDI BlueBoys 3-Piece Tweed Houndstooth Check Slim Fit Suit - Cavani CARIDI Blue
On saleBoys 3-Piece Tweed Check Blue Suit - Paul Andrew GRAHAM BlueBoys 3-Piece Tweed Check Blue Suit - Paul Andrew GRAHAM Blue
Boys Double-Breasted Pinstripe Suit - 3-Piece & 6-Piece Set - Navy BlueBoys Double-Breasted Pinstripe Suit - 3-Piece & 6-Piece Set - Navy Blue
Boys Velvet Satin Lapel Tuxedo Dinner Suit Set - 4-Piece & 5-Piece - MAYFAIR - Navy BlueBoys Velvet Satin Lapel Dinner Suit Set - 3-Piece & 5-Piece - MAYFAIR -  Navy Blue Model Picture
Boys Velvet Satin Lapel Tuxedo Dinner Suit Set - 4-Piece & 5-Piece - MAYFAIR - WineBoys Velvet Satin Lapel Dinner Suit Set - 3-Piece & 5-Piece - MAYFAIR - Wine Front Picture
Boys’ 3-Piece Textured Suit - Cavani Camden Sage GreenBoys’ 3-Piece Textured Suit - Cavani Camden Sage Green
On saleBoys 3-Piece Navy Tailored Fit Suit - OSLO - Navy BlueBoys 3-Piece Navy Tailored Fit Suit - OSLO - Navy Blue
SIRRI
Boys 3-Piece Navy Tailored Fit Suit - OSLO - Navy Blue Sale priceFrom $86.00 Regular price$105.00

Boys 3-Piece Suits: Jacket, Waistcoat & Trousers Sets for Weddings & Occasions

Shop Sirri’s boys 3-piece suits — smart jacket, waistcoat and trousers sets made for weddings, page boy duties, First Communion, graduations, Eid, family celebrations and formal events. Looking for more styles and fits? Browse the full range in Boys Suits.

Need quick help choosing? Jump to Boys 3-Piece Suits FAQs.

What’s Included in a Boys 3-Piece Suit?

  • Suit jacket for a sharp, tailored finish
  • Matching waistcoat for a classic formal look
  • Trousers to complete the 3-piece set

Style tip: a 3-piece suit is perfect if you want to mix-and-match your own shirt and accessories for different events.

Best Occasions for Boys 3-Piece Suits

  • Weddings & page boy outfits: coordinate with the wedding theme and accessories
  • Communion & ceremonies: classic, photo-ready formalwear
  • Prom, graduations & family celebrations: a smart look that feels grown-up

Shopping for a specific event? Explore Page Boy Suits, Boys Communion Suits, or go extra formal with Boys Tuxedos.

Complete the Look: Shirts, Ties, Shoes & Finishing Touches

Prefer an all-in-one outfit with the shirt and tie included? Shop Boys 5-Piece Suits. Or browse all styles in Boys Suits.

Boys 3-Piece Suits FAQs

What is a boys 3-piece suit?

A boys 3-piece suit is a coordinated set with a jacket, waistcoat and trousers. It’s a classic choice for weddings, ceremonies and formal events.

Does a 3-piece suit include a shirt and tie?

Usually no — 3-piece suits focus on the jacket/waistcoat/trousers. To finish the look, add a formal shirt and tie (or bow tie).

Should I choose a 3-piece or a 5-piece suit?

Choose a 3-piece suit if you want flexibility to style it with different shirts and accessories. Choose a 5-piece suit if you want the convenience of a full set.

What shoes go best with a boys 3-piece suit?

For the smartest finish, choose brogues or Oxford shoes. For a dressy slip-on, try boys loafers.