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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
Sold outOn saleBoys Formal Textured Blazer Jacket - BrownBoys Formal Textured Blazer Jacket - Brown
SIRRI
Boys Formal Textured Blazer Jacket - Brown Sale priceFrom £18.97 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

Boys Blazers

Shop boys blazers at SIRRI for weddings, parties, smart family events and polished seasonal dressing. A well-cut blazer is one of the most versatile pieces in a boy’s wardrobe — smart enough for special occasions, yet easy to style again with different shirts, trousers and shoes. Whether you are dressing him for a formal event or simply want a sharper finish, our boys blazers collection brings together classic tailoring, standout fabrics and occasion-ready style.

From lighter summer layers to richer textures for cooler months, boys blazers offer an easy way to build an outfit around the event, the season and his personal style. Use the filters to shop by size, colour and fabric to find the right blazer quickly.

Start Here: Shop Boys Blazers by Style

  • Boys Tweed Blazers – classic textured styles for heritage-inspired dressing and cooler-season occasions.
  • Boys Velvet Blazers – rich, dressier options for evening events, festive looks and standout formalwear.
  • Boys Linen Blazers – lightweight choices for warm-weather weddings, holidays and summer celebrations.
  • Boys Patterned Blazers – statement styles for boys who want a sharper look with more personality.

How to Choose the Right Boys Blazer

The best boys blazer depends on where he is wearing it and how you want the outfit to feel. Linen styles are ideal when you want something breathable and light for spring and summer events. Velvet blazers bring a more elevated finish for parties and evening occasions, while tweed and patterned styles add texture, depth and character for autumn and winter dressing.

If versatility matters most, choose a blazer in an easy-to-style shade such as navy, beige, green, black or burgundy. These colours work well across different occasions and can be dressed up or down depending on the shirt, trousers and shoes you pair with them.

Find the Right Fit

A boys blazer should sit neatly on the shoulders, fasten comfortably and feel structured without restricting movement. The right fit should look clean through the chest and sleeves while still leaving enough room for a shirt underneath. A good blazer instantly sharpens the whole outfit, so getting the fit right makes all the difference.

When to Wear a Boys Blazer

Boys blazers are ideal for weddings, birthday parties, school events, formal dinners, graduations, festive celebrations and smart weekend occasions. They are especially useful when you want him to look dressed up without committing to a full suit. Styled well, a blazer can move easily from one event to the next and become one of the hardest-working pieces in his occasionwear wardrobe.

Complete the Look

Pair a boys blazer with a crisp boys formal shirt, smart trousers and polished boys shoes. Brogues, loafers and classic lace-up shoes all work especially well, helping create an outfit that feels balanced, refined and ready for the occasion.

Why Parents Choose SIRRI Boys Blazers

  • Smart styles for weddings, parties and formal family occasions
  • A broad mix of textures and fabrics for different seasons
  • Easy to dress up with shirts, trousers and boys shoes
  • A versatile alternative to a full suit for many events

Frequently Asked Questions – Boys Blazers

What occasions are boys blazers best for?

Boys blazers are ideal for weddings, parties, school events, formal dinners, family celebrations and smart seasonal occasions. They are a great option when you want a polished outfit without choosing a full suit.

How should a boys blazer fit?

A boys blazer should fit neatly across the shoulders, button comfortably and sit cleanly over a shirt. It should feel structured and smart while still allowing easy movement.

What is the best fabric for a boys blazer?

The best fabric depends on the season and the event. Linen is ideal for warmer weather, velvet suits dressier evening occasions, and tweed works well for cooler months and textured formal looks.

What can boys wear with a blazer?

Boys can wear a blazer with a formal shirt, tailored trousers, chinos, a tie or bow tie and smart shoes. For a more relaxed smart look, it can also be styled with simpler separates while still keeping the outfit polished.

What shoes go best with a boys blazer?

Brogues, loafers and polished lace-up shoes are the best match for a boys blazer. They help finish the outfit neatly and keep the overall look smart and occasion-ready.

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