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Boys Blazers

Shop boys blazers at SIRRI for weddings, parties and smart seasonal occasions.

Discover tweed, velvet, linen and patterned styles in tailored fits and timeless colours.

Easy to wear with formal shirts, trousers and boys shoes, our boys blazers bring polished occasionwear style to every special event and celebration.

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On saleBoys Twill Single Breasted Slim Fit Blazer - TERRY - Powder Pink Model PictureBoys Twill Single Breasted Slim Fit Blazer - TERRY - Powder Pink Back Picture
On saleBoys Twill Single Breasted Slim Fit Blazer - TERRY - Brick Model PictureBoys Twill Single Breasted Slim Fit Blazer - TERRY - Brick Back Picture
SIRRI
Boys Twill Single Breasted Slim Fit Blazer - TERRY - Brick Sale priceFrom £32.99 Regular price£40.99
Sold outOn saleBoys Twill Single Breasted Slim Fit Blazer - TERRY - Aqua Green Model PictureBoys Twill Single Breasted Slim Fit Blazer - TERRY - Aqua Green Back Picture
On saleBoys Slim Fit Twill Formal Blazer - TERRY - Royal Blue Model PictureBoys Slim Fit Twill Formal Blazer - TERRY - Royal Blue Back Picture
SIRRI
Boys Slim Fit Twill Formal Blazer - TERRY - Royal Blue Sale priceFrom £29.99 Regular price£40.99
On saleBoys Slim Fit Twill Formal Blazer - TERRY - Navy Blue Model PictureBoys Slim Fit Twill Formal Blazer - TERRY - Navy Blue Back Picture
SIRRI
Boys Slim Fit Twill Formal Blazer - TERRY - Navy Blue Sale priceFrom £29.99 Regular price£40.99
(1)
On saleBoys Slim Fit Twill Formal Blazer - TERRY - Mustard Model PictureBoys Slim Fit Twill Formal Blazer - TERRY - Mustard Back picture
SIRRI
Boys Slim Fit Twill Formal Blazer - TERRY - Mustard Sale priceFrom £29.99 Regular price£40.99
Sold outOn saleBoys Slim Fit Pinstripe Boating Blazer - Sky Blue Model PictureBoys Slim Fit Pinstripe Boating Blazer - Sky Blue Back Picture
SIRRI
Boys Slim Fit Pinstripe Boating Blazer - Sky Blue Sale priceFrom £17.97 Regular price£33.99
On saleBoys Slim Fit Pinstripe Boating Blazer - Burgundy Model PictureBoys Slim Fit Pinstripe Boating Blazer - Burgundy Back Picture
SIRRI
Boys Slim Fit Pinstripe Boating Blazer - Burgundy Sale priceFrom £19.97 Regular price£33.99
On saleBoys Slim Fit Striped Blazer - Beige - Navy Blue Model PictureBoys Slim Fit Striped Blazer - Beige - Navy Blue Back Picture
SIRRI
Boys Slim Fit Striped Blazer - Beige - Navy Blue Sale priceFrom £17.97 Regular price£31.99
On saleBoys Slim Fit Striped Blazer - Beige - Green Front PictureBoys Slim Fit Striped Blazer - Beige - Green Back Picture
SIRRI
Boys Slim Fit Striped Blazer - Beige - Green Sale priceFrom £17.97 Regular price£31.99
On saleBoys Slim Fit Striped Blazer - Beige - Burgundy Model PictureBoys Slim Fit Striped Blazer - Beige - Burgundy Back Picture
SIRRI
Boys Slim Fit Striped Blazer - Beige - Burgundy Sale priceFrom £17.97 Regular price£31.99
On saleBoys Slim Fit Striped Blazer - Beige - Brown Model PictureBoys Slim Fit Striped Blazer - Beige - Brown Back Picture
SIRRI
Boys Slim Fit Striped Blazer - Beige - Brown Sale priceFrom £17.97 Regular price£31.99
On saleBoys Slim Fit Striped Blazer - Beige - Blue Model PictureBoys Slim Fit Striped Blazer - Beige - Blue Back Picture
SIRRI
Boys Slim Fit Striped Blazer - Beige - Blue Sale priceFrom £17.97 Regular price£31.99
On saleBoys Cotton Slim Fit Blazer and Waistcoat Set - Frank - Blue Model PictureBoys Cotton Slim Fit Blazer and Waistcoat Set - Frank - Blue Back Picture
SIRRI
Boys Cotton Slim Fit Blazer and Waistcoat Set - Frank - Blue Sale priceFrom £43.97 Regular price£74.99
(1)
On saleBoys Cotton Slim Fit Blazer and Waistcoat Set - Frank - Beige Model PictureBoys Cotton Slim Fit Blazer and Waistcoat Set - Frank - Beige Back Picture
SIRRI
Boys Cotton Slim Fit Blazer and Waistcoat Set - Frank - Beige Sale priceFrom £53.97 Regular price£74.99
On saleBoys Slim Fit Cotton Blazer - Royal Blue Model PictureBoys Slim Fit Cotton Blazer - Royal Blue Back Picture
Robert Simon
Boys Slim Fit Cotton Blazer - Royal Blue Sale priceFrom £29.99 Regular price£37.99
(1)
On saleBoys Slim Fit Cotton Blazer - Navy Blue Model PictureBoys Slim Fit Cotton Blazer - Navy Blue Back Picture
Robert Simon
Boys Slim Fit Cotton Blazer - Navy Blue Sale priceFrom £29.99 Regular price£37.99
On saleBoys Slim Fit Cotton Blazer - Black Model PictureBoys Slim Fit Cotton Blazer - Black Back Picture
Robert Simon
Boys Slim Fit Cotton Blazer - Black Sale priceFrom £29.99 Regular price£37.99
On saleBoys Cotton Blend Slim Fit Formal Twill Blazer - Navy BlueBoys Cotton Blend Slim Fit Formal Twill Blazer - Navy Blue
SIRRI
Boys Cotton Blend Slim Fit Formal Twill Blazer - Navy Blue Sale priceFrom £24.97 Regular price£39.99
On saleBoys Cotton Blend Slim Fit Formal Twill Blazer - Khaki GreenBoys Cotton Blend Slim Fit Formal Twill Blazer - Khaki Green
SIRRI
Boys Cotton Blend Slim Fit Formal Twill Blazer - Khaki Green Sale priceFrom £24.97 Regular price£39.99
On saleBoys Marble Printed Blazer - Burgundy Model PictureBoys Marble Printed Blazer - Burgundy Model Back picture
SIRRI
Boys Marble Printed Blazer - Burgundy Sale price£24.97 Regular price£34.99
(1)
Save £10.02Boys Marble Printed Blazer - Blue Front PictureBoys Marble Printed Blazer - Blue Back picture
SIRRI
Boys Marble Printed Blazer - Blue Sale price£24.97 Regular price£34.99
On saleBoys Cotton Slim Fit Blazer and Waistcoat Set - Frank - GreenBoys Cotton Slim Fit Blazer and Waistcoat Set - Frank - Green
SIRRI
Boys Cotton Slim Fit Blazer and Waistcoat Set - Frank - Green Sale priceFrom £53.97 Regular price£74.99
(1)
On saleBoys Cotton Slim Fit Blazer and Waistcoat Set - Frank - Dark Blue Model PictureBoys Cotton Slim Fit Blazer and Waistcoat Set - Frank - Dark Blue Back Picture
Boys Herringbone Tweed Formal Blazer - Light Grey Model PictureBoys Herringbone Tweed Formal Blazer - Light Grey Back Picture
Boys Herringbone Tweed Formal Blazer - Dark Grey Model PictureBoys Herringbone Tweed Formal Blazer - Dark Grey Back Picture
On saleBoys Twill Single Breasted Slim Fit Blazer - TERRY - Sky Blue Model PictureBoys Twill Single Breasted Slim Fit Blazer - TERRY - Sky Blue Back Picture
SIRRI
Boys Twill Single Breasted Slim Fit Blazer - TERRY - Sky Blue Sale priceFrom £32.99 Regular price£40.99
On saleBoys Velvet Tuxedo Blazer Set - KINGSMAN - Navy Blue Model PictureBoys Velvet Tuxedo Blazer Set - KINGSMAN - Navy Blue Back Picture
SIRRI
Boys Velvet Tuxedo Blazer Set - KINGSMAN - Navy Blue Sale priceFrom £19.97 Regular price£39.97
On saleBoys Velvet Tuxedo Blazer Set - KINGSMAN - Green Model PictureBoys Velvet Tuxedo Blazer Set - KINGSMAN - Green Back Picture
SIRRI
Boys Velvet Tuxedo Blazer Set - KINGSMAN - Green Sale priceFrom £19.97 Regular price£39.97
On saleBoys Velvet Tuxedo Blazer Set - KINGSMAN - Red Model PictureBoys Velvet Tuxedo Blazer Set - KINGSMAN - Red Back Picture
SIRRI
Boys Velvet Tuxedo Blazer Set - KINGSMAN - Red Sale priceFrom £19.97 Regular price£39.97
Boys Formal Velvet Blazer Jacket - BlackBoys Formal Velvet Blazer Jacket - Black
Baby Boys Tweed Herringbone Pinstripe Formal Blazer - Brown Model PictureBaby Boys Tweed Herringbone Pinstripe Formal Blazer - Brown Back Picture
On saleBoys Formal Textured Blazer Jacket - BrownBoys Formal Textured Blazer Jacket - Brown
SIRRI
Boys Formal Textured Blazer Jacket - Brown Sale priceFrom £13.97 Regular price£34.97
Sold outOn saleBoys' Formal Tan Brown Textured Blazer Jacket - Brown Model Picture
SIRRI
Boys' Formal Tan Brown Textured Blazer Jacket - Brown Sale priceFrom £23.97 Regular price£34.97
Baby Boys Tweed Herringbone Pinstripe Formal Blazer - Navy Blue Model PictureBaby Boys Tweed Herringbone Pinstripe Formal Blazer - Navy Blue Back Picture
Boys Formal Velvet Blazer Jacket - Burgundy Model PictureBoys Formal Velvet Blazer Jacket - Burgundy Back Picture

Discover smart and stylish boys blazers for weddings, parties, family occasions, school events and formal celebrations. At SIRRI, you can find classic and modern boys jackets in tweed, velvet, linen, check, faux suede and patterned designs, making it easy to dress boys for every season and occasion.

Whether you need a lightweight blazer for a summer wedding, a rich velvet jacket for a party, or a traditional tweed blazer for a formal event, this collection offers smart options for toddlers, boys and teens. Style a boys blazer with a formal shirt, tailored trousers, chinos, brogues or loafers for a polished outfit.

Shop Boys Blazers by Style, Fabric & Season

Use the links below to find the right boys blazer by fabric, pattern or occasion.

  • Boys Tweed Blazers – textured heritage styles for autumn, winter, country weddings and cooler-weather occasions.
  • Boys Velvet Blazers – rich dresswear options for parties, evening events, Christmas, weddings and standout formal looks.
  • Boys Linen Blazers – lightweight blazers for summer weddings, holidays, garden parties and warm-weather celebrations.
  • Boys Patterned Blazers – statement styles with prints, stripes or bolder designs for boys who want more personality.
  • Boys Check Blazers – classic patterned jackets for smart family events, weddings and seasonal dressing.
  • Boys Faux Suede Blazers – soft-textured styles for a polished look with a slightly richer finish.
  • Boys Spring & Summer Blazers – lighter colours, breathable fabrics and easy layers for warmer months.

Choosing the Right Boys Blazer

When choosing a boys blazer, consider the season, dress code and how formal the occasion is. Linen and lighter-coloured blazers are ideal for spring and summer events, while tweed, check and velvet styles work well for autumn, winter and evening occasions. Navy, grey, beige and blue are easy to style, while patterned and velvet blazers create a more distinctive look.

For weddings and formal events, pair a blazer with a crisp shirt, smart trousers and formal shoes. For a more relaxed smart-casual outfit, boys blazers can also be worn with chinos, loafers and an open-collar shirt.

Complete the Look

Pair a boys blazer with a crisp boys formal shirt, smart boys formal trousers or chinos, and polished boys brogues or Oxford shoes. For weddings, parties and family occasions, finish the outfit with a boys tie and hanky set, boys bow tie or pocket square.

If you need a complete jacket-led outfit, browse boys suits or boys waistcoat suits. For coordinated family dressing, explore father and son blazers.

Boys Blazers FAQs

Are boys blazers suitable for weddings?

Yes. Boys blazers are a smart choice for weddings, especially for page boys, ring bearers and young guests. Linen and lighter colours work well for spring and summer weddings, while tweed, check and velvet blazers suit autumn, winter and more formal celebrations.

What is the difference between a boys blazer and a boys suit jacket?

A boys blazer is usually styled as a separate jacket that can be worn with different trousers, shirts and shoes. A boys suit jacket is normally part of a matching suit set. Choose a blazer when you want more flexibility, or a suit when you need a fully coordinated outfit.

Can boys wear a blazer without a tie?

Yes. A boys blazer can be worn with or without a tie depending on the occasion. For weddings, communion, formal dinners and ceremonies, a tie or bow tie creates a smarter finish. For parties or smart-casual events, an open-collar shirt can still look polished.

Which boys blazer is best for summer?

Linen blazers and spring/summer blazers are best for warmer weather because they feel lighter and are easier to style with seasonal colours. Beige, light blue, cream, navy and soft green are good choices for summer weddings and outdoor events.

Which boys blazer is best for winter?

Tweed, check, velvet and darker-coloured blazers are better for autumn and winter. They add texture and warmth to the outfit and work well for festive occasions, country weddings, family photos and formal dinners.

What trousers should boys wear with a blazer?

Boys blazers work well with formal trousers, chinos or matching smart trousers depending on the event. Navy, grey, beige and black trousers are the easiest to style, while tweed or check blazers often look good with simpler plain trousers.

Can a boys blazer be worn casually?

Yes. A boys blazer can be dressed down for smart-casual occasions by pairing it with chinos, a simple shirt and loafers. For formal events, style it with a formal shirt, tie or bow tie, tailored trousers and polished shoes.

How do I choose the right boys blazer size?

Measure his chest, height and sleeve length before ordering, then compare them with the product size guide. The blazer should sit neatly on the shoulders, button comfortably and allow enough room for a shirt underneath.

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