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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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220 products

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On saleBoys Tuxedo Suit - Corduroy Velvet Waistcoat & shawl lapel - Navy BlueBoys Tuxedo Suit - Corduroy Velvet Waistcoat & shawl lapel - Navy Blue
SIRRI
Boys Tuxedo Suit - Corduroy Velvet Waistcoat & shawl lapel - Navy Blue Sale priceFrom £57.99 Regular price£80.99
On saleBoys Tailored Fit Tweed Check Suit - MARK - Sky BlueBoys Tailored Fit Tweed Check Suit - MARK - Sky Blue
Paul Andrew
Boys Tailored Fit Tweed Check Suit - MARK - Sky Blue Sale priceFrom £54.99 Regular price£99.99
Boys Slim Fit Velvet Dinner Suit - 3-Piece & 5-Piece - SAVOY - GreenBoys Slim Fit Velvet Dinner Suit - 3-Piece & 5-Piece - SAVOY - Green Model Picture
SIRRI
Boys Slim Fit Velvet Dinner Suit - 3-Piece & 5-Piece - SAVOY - Green Sale priceFrom £59.97
Boys Slim Fit Royal Blue Suit - Royal BlueBoys Slim Fit Royal Blue Suit - Royal Blue
Romano Vianni
Boys Slim Fit Royal Blue Suit - Royal Blue Sale priceFrom £79.99
On saleBoys Piping Textured Suit - MATTEO - Navy BlueBoys Piping Textured Suit - MATTEO - Navy Blue
SIRRI
Boys Piping Textured Suit - MATTEO - Navy Blue Sale priceFrom £29.97 Regular price£69.99
Boys Linen Suit with Elbow Patches - WhiteBoys Linen Suit with Elbow Patches - White
Romano Vianni
Boys Linen Suit with Elbow Patches - White Sale priceFrom £109.99
Save £25.00Boys Formal Suit Set - Saks BlueBoys Formal Suit Set - Saks Blue
SIRRI
Boys Formal Suit Set - Saks Blue Sale price£39.99 Regular price£64.99
Boys 3-Piece Textured Suit - MIAMI - Sage GreenBoys 3-Piece Textured Suit - MIAMI - Sage Green
Cavani
Boys 3-Piece Textured Suit - MIAMI - Sage Green Sale price£139.99
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 £29.97 Regular price£67.97
Boys Tweed Check Sky Blue Suit Set - Sky BlueBoys Tweed Check Sky Blue Suit Set - Sky Blue
Romano Vianni
Boys Tweed Check Sky Blue Suit Set - Sky Blue Sale priceFrom £93.99
On saleBoys Slim Fit Piping Velvet Tuxedo Suit - LONDON - Dark GreenBoys Slim Fit Piping Velvet Tuxedo Suit - LONDON - Dark Green
SIRRI
Boys Slim Fit Piping Velvet Tuxedo Suit - LONDON - Dark Green Sale priceFrom £44.97 Regular price£79.99
On saleBoys Premium Black Velvet Tuxedo SuitBoys Premium Black Velvet Tuxedo Suit
SIRRI
Boys Premium Black Velvet Tuxedo Suit Sale priceFrom £39.97 Regular price£69.99
On saleBoys Plaid Check Slim Fit Suit - GreyBoys Plaid Check Slim Fit Suit - Grey
SIRRI
Boys Plaid Check Slim Fit Suit - Grey Sale priceFrom £39.97 Regular price£74.99
Boys Linen Suit with Elbow Patches - Pale BlueBoys Linen Suit with Elbow Patches - Pale Blue
Romano Vianni
Boys Linen Suit with Elbow Patches - Pale Blue Sale priceFrom £109.99
Save £25.00Boys Formal Suit Set - Midnight BlueBoys Formal Suit Set - Midnight Blue
SIRRI
Boys Formal Suit Set - Midnight Blue Sale price£39.99 Regular price£64.99
Save £30.00Boys 3 Piece Slim Fit Suit with Double Breasted Waistcoat - Alfred BeigeBoys 3 Piece Slim Fit Suit with Double Breasted Waistcoat - Alfred Beige
SIRRI
Boys 3 Piece Slim Fit Suit with Double Breasted Waistcoat - Alfred Beige Sale price£34.97 Regular price£64.97
Sold outSave £30.00Boys Dark Charcoal Textured 3 Piece SuitBoys Dark Charcoal Textured 3 Piece Suit
SIRRI
Boys Dark Charcoal Textured 3 Piece Suit Sale price£34.97 Regular price£64.97
Boys’ 3-Piece Textured Suit - Camden - BlueBoys’ 3-Piece Textured Suit - Camden - Blue
Cavani
Boys’ 3-Piece Textured Suit - Camden - Blue Sale price£139.99
Boys 3-Piece Herringbone Windowpane Check Suit - Harris BrownBoys 3-Piece Herringbone Windowpane Check Suit - Harris Brown
Paul Andrew
Boys 3-Piece Herringbone Windowpane Check Suit - Harris Brown Sale price£84.99
(1)
On saleBoys Windowpane Tailored Fit Suit- HARVEY - Dark Charcoal GreyBoys Windowpane Tailored Fit Suit- HARVEY - Dark Charcoal Grey
Paul Andrew
Boys Windowpane Tailored Fit Suit- HARVEY - Dark Charcoal Grey Sale priceFrom £54.97 Regular price£99.99
On saleBoys Windowpane Check Tweed Tailored Fit Suit - Dark Blue Model PictureBoys Windowpane Check Tweed Tailored Fit Suit - Dark Blue Front Picture
SIRRI
Boys Windowpane Check Tweed Tailored Fit Suit - Dark Blue Sale priceFrom £43.99 Regular price£59.99
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 £54.97 Regular price£98.99
On saleBoys Tailored Fit Retro Check Navy Suit - Navy Blue - RedBoys Tailored Fit Retro Check Navy Suit - Navy Blue - Red
SIRRI
Boys Tailored Fit Retro Check Navy Suit - Navy Blue - Red Sale priceFrom £33.99 Regular price£64.99
Sold outOn saleBoys Tailored Fit Formal Suit - Charcoal GreyBoys Tailored Fit Formal Suit - Charcoal Grey
SIRRI
Boys Tailored Fit Formal Suit - Charcoal Grey Sale priceFrom £34.99 Regular price£54.99
Boys Slim Fit Woven Effect Plaid Check Suit - Navy BlueBoys Slim Fit Woven Effect Plaid Check Suit - Navy Blue
Romano Vianni
Boys Slim Fit Woven Effect Plaid Check Suit - Navy Blue Sale priceFrom £99.99
Boys Slim Fit Royal Blue Retro Check Suit - Royal Blue- BrownBoys Slim Fit Royal Blue Retro Check Suit - Royal Blue- Brown Model Picture
Romano Vianni
Boys Slim Fit Royal Blue Retro Check Suit - Royal Blue- Brown Sale priceFrom £107.97
Save £28.00Boys Slim Fit Piping Grey Tuxedo Suit - GreyBoys Slim Fit Piping Grey Tuxedo Suit - Grey
SIRRI
Boys Slim Fit Piping Grey Tuxedo Suit - Grey Sale price£44.99 Regular price£72.99
(1)
Boys Retro Check Slim Fit Suit - BeigeBoys Retro Check Slim Fit Suit - Beige
SIRRI
Boys Retro Check Slim Fit Suit - Beige Sale priceFrom £73.99
On saleBoys Plaid Check Slim Fit Suit - Navy Blue- BeigeBoys Plaid Check Slim Fit Suit - Navy Blue- Beige
SIRRI
Boys Plaid Check Slim Fit Suit - Navy Blue- Beige Sale priceFrom £39.97 Regular price£74.99
On saleBoys Plaid Check Slim Fit Suit - Black - GreyBoys Plaid Check Slim Fit Suit - Black - Grey
SIRRI
Boys Plaid Check Slim Fit Suit - Black - Grey Sale priceFrom £39.97 Regular price£74.99
Boys Linen Suit with Elbow Patches - RedBoys Linen Suit with Elbow Patches - Red
Romano Vianni
Boys Linen Suit with Elbow Patches - Red Sale priceFrom £109.99
Boys Formal Suit with Patterned Waistcoat and Cravat Set - Antonio - Black - IvoryBoys Formal Suit with Patterned Waistcoat and Cravat Set - Antonio - Black - Ivory
SIRRI
Boys Formal Suit with Patterned Waistcoat and Cravat Set - Antonio - Black - Ivory Sale priceFrom £49.99
Save £25.00Boys Formal Suit Set - BlackBoys Formal Suit Set - Black
SIRRI
Boys Formal Suit Set - Black Sale price£39.99 Regular price£64.99
Boys 3-Piece Textured Suit - Miami - BlueBoys 3-Piece Textured Suit - Miami - Blue
Cavani
Boys 3-Piece Textured Suit - Miami - Blue Sale price£139.99
Sold outBoys 3-Piece Herringbone Windowpane Check Suit - Harris NavyBoys 3-Piece Herringbone Windowpane Check Suit - Harris Navy
Paul Andrew
Boys 3-Piece Herringbone Windowpane Check Suit - Harris Navy Sale price£84.99
Boys Windowpane Check Woven Effect Navy Suit Set - Navy blue- BrownBoys Windowpane Check Woven Effect Navy Suit Set - Navy blue- Brown
Romano Vianni
Boys Windowpane Check Woven Effect Navy Suit Set - Navy blue- Brown Sale priceFrom £94.99

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.

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