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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 Plaid Check Slim Fit Suit - GreyBoys 3-Piece Plaid Check Slim Fit Suit - Grey
SIRRI
Boys 3-Piece Plaid Check Slim Fit Suit - Grey Sale priceFrom $65.00 Regular price$122.00
On saleBoys 3-Piece Slim Fit Royal Blue Suit - Romano Vianni Royal BlueBoys 3-Piece Slim Fit Royal Blue Suit - Romano Vianni Royal Blue
Romano Vianni
Boys 3-Piece Slim Fit Royal Blue Suit - Romano Vianni Royal Blue Sale price$59.00 Regular price$125.00
On saleBoys Tailored Fit Tweed Check Suit - 3 Piece or 6 Piece Paul Andrew MARK Sky BlueBoys Tailored Fit Tweed Check Suit - 3 Piece or 6 Piece Paul Andrew MARK Sky Blue
Paul Andrew
Boys Tailored Fit Tweed Check Suit - 3 Piece or 6 Piece Paul Andrew MARK Sky Blue Sale priceFrom $89.00 Regular price$162.00
On saleBoys 3-Piece Black Velvet Tuxedo SuitBoys 3-Piece Black Velvet Tuxedo Suit
SIRRI
Boys 3-Piece Black Velvet Tuxedo Suit Sale priceFrom $65.00 Regular price$114.00
On saleBoys Piping Textured Suit - 3-Piece or 5-Piece - MATTEO - Navy BlueBoys Piping Textured Suit - 3-Piece or 5-Piece - MATTEO - Navy Blue
SIRRI
Boys Piping Textured Suit - 3-Piece or 5-Piece - MATTEO - Navy Blue Sale priceFrom $49.00 Regular price$114.00
On saleBoys 3-Piece Tuxedo Suit - Corduroy Velvet Waistcoat & shawl lapel - Navy BlueBoys 3-Piece Tuxedo Suit - Corduroy Velvet Waistcoat & shawl lapel - Navy Blue
SIRRI
Boys 3-Piece Tuxedo Suit - Corduroy Velvet Waistcoat & shawl lapel - Navy Blue Sale priceFrom $73.00 Regular price$131.00
On saleBoys Tuxedo Suit - Corduroy Velvet Waistcoat & shawl lapel - Royal Blue Front PictureBoys Tuxedo Suit - Corduroy Velvet Waistcoat & shawl lapel - Royal Blue Back picture
SIRRI
Boys 3-Piece Tuxedo Suit - Corduroy Velvet Waistcoat & shawl lapel - Royal Blue Sale priceFrom $84.00 Regular price$130.00
Sold outSave $48.00Boys Dark Charcoal Textured 3 Piece SuitBoys Dark Charcoal Textured 3 Piece Suit
SIRRI
Boys Dark Charcoal Textured 3 Piece Suit Sale price$57.00 Regular price$105.00
Boys 3-Piece Textured Suit - Cavani MIAMI BeigeBoys 3-Piece Textured Suit - Cavani MIAMI Beige
Cavani
Boys 3-Piece Textured Suit - Cavani MIAMI Beige Sale price$227.00
Boys 3-Piece Textured Suit - Cavani MIAMI Sage GreenBoys 3-Piece Textured Suit - Cavani MIAMI Sage Green
Cavani
Boys 3-Piece Textured Suit - Cavani MIAMI Sage Green Sale price$227.00
On saleBoys’ 3-Piece Slim Fit Smart Casual Suit - Gofre - Sky Blue Model PictureBoys’ 3-Piece Slim Fit Smart Casual Suit - Gofre - Sky Blue Picture
SIRRI
Boys’ 3-Piece Slim Fit Smart Casual Suit - Gofre - Sky Blue Sale priceFrom $49.00 Regular price$110.00
Boys 3-Piece Retro Check Slim Fit Suit - GreyBoys 3-Piece Retro Check Slim Fit Suit - Grey
SIRRI
Boys 3-Piece Retro Check Slim Fit Suit - Grey Sale priceFrom $120.00
(1)
Save $40.00Boys Formal Suit Set - 3-Piece & 5-Piece - Midnight BlueBoys Formal Suit Set - 3-Piece & 5-Piece - Midnight Blue
SIRRI
Boys Formal Suit Set - 3-Piece & 5-Piece - Midnight Blue Sale price$65.00 Regular price$105.00
On saleBoys 3-Piece Slim Fit Piping Velvet Tuxedo Suit - LONDON - Dark GreenBoys 3-Piece Slim Fit Piping Velvet Tuxedo Suit - LONDON - Dark Green
SIRRI
Boys 3-Piece Slim Fit Piping Velvet Tuxedo Suit - LONDON - Dark Green Sale priceFrom $73.00 Regular price$130.00
Boys 3-Piece Tweed Check Sky Blue Suit Set - Romano Vianni Sky BlueBoys 3-Piece Tweed Check Sky Blue Suit Set - Romano Vianni Sky Blue
Romano Vianni
Boys 3-Piece Tweed Check Sky Blue Suit Set - Romano Vianni Sky Blue Sale priceFrom $154.00
Save $48.00Boys’ 3-Piece Slim Fit Formal Suit - WILLIAM- Light GreyBoys’ 3-Piece Slim Fit Formal Suit - WILLIAM- Light Grey
SIRRI
Boys’ 3-Piece Slim Fit Formal Suit - WILLIAM- Light Grey Sale price$57.00 Regular price$105.00
On saleBoys 3-Piece Tweed-Like Windowpane Check Suit with Contrast Collar - Romano Vianni Navy BlueBoys 3-Piece Tweed-Like Windowpane Check Suit with Contrast Collar - Romano Vianni Navy Blue
Romano Vianni
Boys 3-Piece Tweed-Like Windowpane Check Suit with Contrast Collar - Romano Vianni Navy Blue Sale price$80.00 Regular price$162.00
On saleBoys 3-Piece Cotton-Linen Smart Casual Suit - KETEN - GreyBoys 3-Piece Cotton-Linen Smart Casual Suit - KETEN - Grey
SIRRI
Boys 3-Piece Cotton-Linen Smart Casual Suit - KETEN - Grey Sale priceFrom $41.00 Regular price$65.00
Boys 3-Piece Textured Suit - Cavani MIAMI BlueBoys 3-Piece Textured Suit - Cavani MIAMI Blue
Cavani
Boys 3-Piece Textured Suit - Cavani MIAMI Blue Sale price$227.00
Boys’ 3-Piece Textured Suit - Cavani Camden BlueBoys’ 3-Piece Textured Suit - Cavani Camden Blue
Cavani
Boys’ 3-Piece Textured Suit - Cavani Camden Blue Sale price$227.00
On saleBoys 3-Piece Tailored Fit Grey Formal Suit - Edward Model PictureBoys 3-Piece Tailored Fit Grey Formal Suit - Edward Model Front Picture
Paul Andrew
Boys 3-Piece Tailored Fit Grey Formal Suit - Paul Andrew Edward Sale priceFrom $138.00 Regular price$154.00
Boys 3-Piece Retro Check Slim Fit Suit - BeigeBoys 3-Piece Retro Check Slim Fit Suit - Beige
SIRRI
Boys 3-Piece Retro Check Slim Fit Suit - Beige Sale priceFrom $120.00
Boys 3-Piece Suit with Patterned Waistcoat and Cravat Set - Antonio - Black - IvoryBoys 3-Piece Suit with Patterned Waistcoat and Cravat Set - Antonio - Black - Ivory
SIRRI
Boys 3-Piece Suit with Patterned Waistcoat and Cravat Set - Antonio - Black - Ivory Sale priceFrom $81.00
Save $40.00Boys 3-Piece Formal Suit Set - BlackBoys 3-Piece Formal Suit Set - Black
SIRRI
Boys 3-Piece Formal Suit Set - Black Sale price$65.00 Regular price$105.00
On saleBoys Tailored Fit Suit Set In Sky Blue - Charles - BlueBoys Tailored Fit Suit Set In Sky Blue - Charles - Blue Model Picture
Paul Andrew
Boys 3-Piece Tailored Fit Suit Set In Sky Blue - Paul Andrew Charles Blue Sale priceFrom $89.00 Regular price$160.00
On saleBoys 3-Piece Plaid Check Slim Fit Suit - Black - GreyBoys 3-Piece Plaid Check Slim Fit Suit - Black - Grey
SIRRI
Boys 3-Piece Plaid Check Slim Fit Suit - Black - Grey Sale priceFrom $65.00 Regular price$122.00
On saleBoys 3-Piece Plaid Check Slim Fit Suit - Navy Blue- BeigeBoys 3-Piece Plaid Check Slim Fit Suit - Navy Blue- Beige
SIRRI
Boys 3-Piece Plaid Check Slim Fit Suit - Navy Blue- Beige Sale priceFrom $65.00 Regular price$122.00
Boys 3-Piece Slim Fit Woven Effect Plaid Check Suit - Navy BlueBoys 3-Piece Slim Fit Woven Effect Plaid Check Suit - Navy Blue
Romano Vianni
Boys 3-Piece Slim Fit Woven Effect Plaid Check Suit - Navy Blue Sale priceFrom $162.00
Sold outBoys 3-Piece Royal Blue Retro Check Suit - Romano Vianni Royal Blue & BrownBoys Slim Fit Royal Blue Retro Check Suit - Royal Blue- Brown Model Picture
Romano Vianni
Boys 3-Piece Royal Blue Retro Check Suit - Romano Vianni Royal Blue & Brown Sale priceFrom $175.00
On saleBoys 3-Piece Tailored Fit Retro Check Navy Suit - Navy Blue - RedBoys 3-Piece Tailored Fit Retro Check Navy Suit - Navy Blue - Red
SIRRI
Boys 3-Piece Tailored Fit Retro Check Navy Suit - Navy Blue - Red Sale priceFrom $55.00 Regular price$105.00
On saleBoys 3-Piece Windowpane Tailored Fit Suit- Paul Andrew HARVEY Dark Charcoal GreyBoys 3-Piece Windowpane Tailored Fit Suit- Paul Andrew HARVEY Dark Charcoal Grey
Paul Andrew
Boys 3-Piece Windowpane Tailored Fit Suit- Paul Andrew HARVEY Dark Charcoal Grey Sale priceFrom $89.00 Regular price$162.00
On saleBoys Windowpane Check Tweed Tailored Fit Suit - Dark Blue Model PictureBoys Windowpane Check Tweed Tailored Fit Suit - Dark Blue Front Picture
SIRRI
Boys 3-Piece Windowpane Check Tweed Tailored Fit Suit - Dark Blue Sale priceFrom $72.00 Regular price$97.00
Save $32.00Boys 3 Piece Suit Set – Jacket, Waistcoat, Trousers & Tie - 792 Royal BlueBoys 3 Piece Suit Set – Jacket, Waistcoat, Trousers & Tie - 792 Royal Blue
SIRRI
Boys 3 Piece Suit Set – Jacket, Waistcoat, Trousers & Tie - 792 Royal Blue Sale price$73.00 Regular price$105.00
Boys 3-Piece Wool Herringbone Tweed Suit - Cavani Thomas BrownBoys 3-Piece Wool Herringbone Tweed Suit - Cavani Thomas Brown
Cavani
Boys 3-Piece Wool Herringbone Tweed Suit - Cavani Thomas Brown Sale price$243.00
Boys 3-Piece Herringbone Windowpane Check Suit - Paul Andrew Harris NavyBoys 3-Piece Herringbone Windowpane Check Suit - Paul Andrew Harris Navy
Paul Andrew
Boys 3-Piece Herringbone Windowpane Check Suit - Paul Andrew Harris Navy Sale price$144.00
Boys 3-Piece Suit with Patterned Waistcoat and Cravat Set - Antonio - Black - LilacBoys 3-Piece Suit with Patterned Waistcoat and Cravat Set - Antonio - Black - Lilac
SIRRI
Boys 3-Piece Suit with Patterned Waistcoat and Cravat Set - Antonio - Black - Lilac Sale priceFrom $81.00

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.