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Boys 3-Piece Suits

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

Discover boys' three-piece suits with jackets, waistcoats and trousers in slim fit and classic tailoring.

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.

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222 products

Save $146.00Boys Tweed Wool Blend Slim Fit Blue Suit - Cavani ORSON BlueBoys Tweed Wool Blend Slim Fit Blue Suit - Cavani ORSON Blue
Cavani
Boys Tweed Wool Blend Slim Fit Blue Suit - Cavani ORSON Blue Sale priceFrom $57.00 Regular price$203.00
(6)
On saleBoys Tweed Windowpane Check Suit - Cavani CODY BlueBoys Tweed Windowpane Check Suit - Cavani CODY Blue
Cavani
Boys Tweed Windowpane Check Suit - Cavani CODY Blue Sale priceFrom $57.00 Regular price$203.00
(9)
Save $24.00Boys’ Tailored Fit Tweed Check Suit – Paul Andrew LEO BeigeBoys’ Tailored Fit Tweed Check Suit – Paul Andrew LEO Beige
On saleBoys Tweed Check Navy Slim Fit Suit - Cavani KAISER Navy BlueBoys Tweed Check Navy Slim Fit Suit - Cavani KAISER Navy Blue
(1)
On saleBoys Tweed Slim Fit Suit - Cavani WELLS Light BlueBoys Tweed Slim Fit Suit - Cavani WELLS Light Blue
Cavani
Boys Tweed Slim Fit Suit - Cavani WELLS Light Blue Sale priceFrom $57.00 Regular price$219.00
(1)
On saleBaby & Boys 3-Piece White Cotton-Linen Waistcoat Suit Set - WHITBY Modle PictureBaby & Boys 3-Piece White Cotton-Linen Waistcoat Suit Set - WHITBY
On saleBoys Slim Fit Navy Suit - Cavani SEEBA Navy BlueBoys Slim Fit Navy Suit - Cavani SEEBA Navy Blue
Cavani
Boys Slim Fit Navy Suit - Cavani SEEBA Navy Blue Sale priceFrom $57.00 Regular price$162.00
On saleBoys Tailored Fit Windowpane Check Suit - DOMINIC - Burgundy - Blue Model PictureBoys Tailored Fit Windowpane Check Suit - DOMINIC - Burgundy - Blue Back Picture
On saleBoys Slim Fit Wool Blend Herringbone Tweed Blue Suit - Navy Blue - CavaniBoys Slim Fit Wool Blend Herringbone Tweed Blue Suit - Navy Blue - Cavani
On saleBoys Slim Fit Formal Suit - Cavani Jay BlueBoys Slim Fit Formal Suit - Cavani Jay Blue
Cavani
Boys Slim Fit Formal Suit - Cavani Jay Blue Sale priceFrom $49.00 Regular price$219.00
On saleBoys 3-Piece Wool Tweed Windowpane Check Suit - Joshua - Forest GreenBoys 3-Piece Wool Tweed Windowpane Check Suit - Joshua - Forest Green
On saleBaby & Boys 3-Piece White Cotton-Linen Waistcoat Shorts Suit Set - WHITBYBaby & Boys 3-Piece White Cotton-Linen Waistcoat Shorts Suit Set - WHITBY
On saleBoys Slim Fit Royal Blue Suit - Cavani FORDBoys Slim Fit Royal Blue Suit - Cavani FORD
Cavani
Boys Slim Fit Royal Blue Suit - Cavani FORD Sale priceFrom $57.00 Regular price$227.00
Save $24.00Boys' Tailored Fit Windowpane Check Suit - Paul Andrew Hamleys Cornflower BlueBoys' Tailored Fit Windowpane Check Suit - Paul Andrew Hamleys Cornflower Blue
On saleBoys Solid Tailored Fit Communion Suit Set - Off WhiteBoys Solid Tailored Fit Communion Suit Set - Off White
SIRRI
Boys Solid Tailored Fit Communion Suit Set - Off White Sale priceFrom $64.00 Regular price$128.00
Boys Wool Blend Herringbone Check Suit -Cavani Albert BrownBoys Wool Blend Herringbone Check Suit -Cavani Albert Brown
On saleBoys 3-Piece Tailored Fit Suit - Paris - NavyBoys 3-Piece Tailored Fit Suit - Paris - Navy
SIRRI
Boys 3-Piece Tailored Fit Suit - Paris - Navy Sale priceFrom $102.00 Regular price$180.00
Boys Sheen Lapel Black Velvet Tuxedo Suit - Black Modle PictureBoys Sheen Lapel Black Velvet Tuxedo Suit - Black
Boys Slim Fit Tweed Check Suit - CARIDI - Sage Green Model PictureBoys Slim Fit Tweed Check Suit - CARIDI - Sage Green Model Back Picture
Save $56.00Boys Tweed Check Tailored Fit Navy Suit - ALEX - Royal Blue Front PictureBoys Tweed Check Tailored Fit Navy Suit - ALEX - Royal Blue Model Picture
On saleBoys Tailored Fit Tweed Check Suit - Paul Andrew MARK Stone BeigeBoys Tailored Fit Tweed Check Suit - Paul Andrew MARK Stone Beige
On saleBoys Tailored Fit Formal Suit - Parliament BlueBoys Tailored Fit Formal Suit - Parliament Blue
SIRRI
Boys Tailored Fit Formal Suit - Parliament Blue Sale priceFrom $34.00 Regular price$98.00
(4)
Boys 3-Piece Glen Check Tweed Formal Suit - Paul Andrew Regent Olive GreenBoys 3-Piece Glen Check Tweed Formal Suit - Paul Andrew Regent Olive Green
Boys 3-Piece Glen Check Tweed Formal Suit - Regent - Wine Burgundy Model PictureBoys 3-Piece Glen Check Tweed Formal Suit - Regent - Wine Burgundy Model Front Picture
Save $24.00Boys Tailored Fit Suit - Paul Andrew MAYFAIR Royal BlueBoys Tailored Fit Suit - Paul Andrew MAYFAIR Royal Blue
(1)
On saleBoys Plaid Check Tailored Fit Blue Suit - LIONEL - Mid BlueBoys Plaid Check Tailored Fit Blue Suit - LIONEL - Mid Blue
SIRRI
Boys Plaid Check Tailored Fit Blue Suit - LIONEL - Mid Blue Sale priceFrom $34.00 Regular price$114.00
(1)
On saleBoys Formal Communion Slim Fit Suit - IvoryBoys Formal Communion Slim Fit Suit - Ivory
SIRRI
Boys Formal Communion Slim Fit Suit - Ivory Sale priceFrom $60.00 Regular price$93.00
(4)
Boys Double-Breasted Pinstripe Suit - 3-Piece & 6-Piece Set - GreyBoys Double-Breasted Pinstripe Suit - 3-Piece & 6-Piece Set - Grey
Boys Double-Breasted Pinstripe Suit - 3-Piece & 6-Piece Set - BeigeBoys Double-Breasted Pinstripe Suit - 3-Piece & 6-Piece Set - Beige
On saleBoys Tailored Fit Textured Suit - ELI- Navy BlueBoys Tailored Fit Textured Suit - ELI- Navy Blue
Robert Simon
Boys Tailored Fit Textured Suit - ELI- Navy Blue Sale priceFrom $72.00 Regular price$91.00
On saleBoys Tweed Tailored Fit Formal Suit - Paul Andrew Ralph Grey & Navy BlueBoys Tweed Tailored Fit Formal Suit - Paul Andrew Ralph Grey & Navy Blue
Save $24.00Boys Tailored Fit Suit - Paul Andrew MAYFAIR Stone BeigeBoys Tailored Fit Suit - Paul Andrew MAYFAIR Stone Beige
Sold outSave $56.00Boys’ Tailored Fit Tweed Check Suit – LEO - Green Model PictureBoys’ Tailored Fit Tweed Check Suit – Paul Andrew LEO Green
On saleBoys Tweed Windowpane Check Tailored Fit Suit - Ryan Navy - Navy BlueBoys Tweed Windowpane Check Tailored Fit Suit - Ryan Navy - Navy Blue
On saleBoys Sheen Grey Suit - GreyBoys Sheen Grey Suit - Grey
Beau Kid
Boys Sheen Grey Suit - Grey Sale priceFrom $56.00 Regular price$122.00
On saleBoys Slim Fit Piping Velvet Tuxedo Suit - LONDON - Navy BlueBoys Slim Fit Piping Velvet Tuxedo Suit - LONDON - Navy Blue
SIRRI
Boys Slim Fit Piping Velvet Tuxedo Suit - LONDON - Navy Blue Sale priceFrom $73.00 Regular price$130.00

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.