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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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221 products

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Boys 3-Piece Velvet Damask Tuxedo Suit - Marc Navy Model PictureBoys 3-Piece Velvet Damask Tuxedo Suit - Marc Navy Front Picture
Sevva
Boys 3-Piece Velvet Damask Tuxedo Suit - Marc Navy Sale price£64.97
Boys' Velvet Suit with Satin Shawl Lapels - EC103 - Royal Blue Model PictureBoys' Velvet Suit with Satin Shawl Lapels - EC103 - Royal Blue Back Picture
Romano Vianni
Boys' Velvet Suit with Satin Shawl Lapels - EC103 - Royal Blue Sale priceFrom £99.97
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 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
Save £25.00Boys Formal Suit Set - WhiteBoys Formal Suit Set - White
SIRRI
Boys Formal Suit Set - White Sale price£39.99 Regular price£64.99
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 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
Boys Double-Breasted Pinstripe Suit - 3-Piece & 6-Piece Set - Sky BlueBoys Double-Breasted Pinstripe Suit - 3-Piece & 6-Piece Set - Sky Blue
SIRRI
Boys Double-Breasted Pinstripe Suit - 3-Piece & 6-Piece Set - Sky Blue Sale priceFrom £44.97
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
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
On 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 Suit - Royal BlueBoys Slim Fit Royal Blue Suit - Royal Blue
Romano Vianni
Boys Slim Fit Royal Blue Suit - Royal Blue Sale priceFrom £79.99
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
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 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 - 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
Boys Linen Suit with Elbow Patches - Tan BeigeBoys Linen Suit with Elbow Patches - Tan Beige
Romano Vianni
Boys Linen Suit with Elbow Patches - Tan Beige Sale priceFrom £109.99
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
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 - Midnight BlueBoys Formal Suit Set - Midnight Blue
SIRRI
Boys Formal Suit Set - Midnight Blue Sale price£39.99 Regular price£64.99
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
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 Glen Check Tweed Formal Suit - Regent - CreamBoys 3-Piece Glen Check Tweed Formal Suit - Regent - Cream
Paul Andrew
Boys 3-Piece Glen Check Tweed Formal Suit - Regent - Cream Sale price£84.99
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
On saleBoys’ 3-Piece Slim Fit Smart Casual Suit - Gofre - Navy Model PictureBoys’ 3-Piece Slim Fit Smart Casual Suit - Gofre - Navy Model Front Picture
SIRRI
Boys’ 3-Piece Slim Fit Smart Casual Suit - Gofre - Navy Sale priceFrom £29.97 Regular price£67.97
Sold outBoys’ 3-Piece Slim Fit Smart Casual Suit – Gofre – Green Model PictureBoys’ 3-Piece Slim Fit Smart Casual Suit – Gofre – Green Picture
SIRRI
Boys’ 3-Piece Slim Fit Smart Casual Suit - Gofre - Green Sale priceFrom £67.97
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 Windowpane Check Navy Blue Suit Set - Navy BlueBoys Windowpane Check Navy Blue Suit Set - Navy Blue
SIRRI
Boys Windowpane Check Navy Blue Suit Set - Navy Blue Sale priceFrom £79.99
Boys Twill Blue Self-Pattern Suit - Blue Model PictureBoys Twill Blue Self-Pattern Suit - Blue Model Front Picture
Romano Vianni
Boys Twill Blue Self-Pattern Suit - Blue Sale priceFrom £108.97
On saleBoys Tailored Fit Tweed Check Suit - HURRICANE - Charcoal Grey Model PictureBoys Tailored Fit Tweed Check Suit - HURRICANE - Charcoal Grey
SIRRI
Boys Tailored Fit Tweed Check Suit - HURRICANE - Charcoal Grey Sale priceFrom £38.97 Regular price£64.99

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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