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Save £4.00Men’s Herringbone Waistcoat Set - Tan Brown Model PictureMen’s Herringbone Waistcoat Set - Tan Brown Front Picture
SIRRI
Men’s Herringbone Waistcoat Set - Tan Brown Sale price£25.97 Regular price£29.97
Save £4.00Men’s Herringbone Waistcoat Set - Cinnamon Brown Main PictureMen’s Herringbone Waistcoat Set - Cinnamon Brown Model Picture
SIRRI
Men’s Herringbone Waistcoat Set - Cinnamon Brown Sale price£25.97 Regular price£29.97
Save £4.00Men’s Herringbone Waistcoat Set - Grey Model PictureMen’s Herringbone Waistcoat Set - Grey Front Picture
SIRRI
Men’s Herringbone Waistcoat Set - Grey Sale price£25.97 Regular price£29.97
Boys 5-Piece Textured Weave Suit with Double Breasted Waistcoat - Light BrownBoys 5-Piece Textured Weave Suit with Double Breasted Waistcoat - Light Brown Front Picture
Save £195.02Men's Tailored Fit 2 Piece Suit Classic Special Occasion - JAMES - Taupe BeigeMen's Tailored Fit 2 Piece Suit Classic Special Occasion - JAMES - Taupe Beige
Save £40.00Men’s 3-Piece Textured Formal Suit with Double Breasted Waistcoat - Core - Charcoal Grey Model PictureMen’s 3-Piece Textured Formal Suit with Double Breasted Waistcoat - Core - Charcoal Grey Front Picture
Save £20.03Men's Tailored Fit Plaid Waistcoat - KURT - Sage GreenMen's Tailored Fit Plaid Waistcoat - KURT - Sage Green
Save £20.03Men's Tailored Fit Plaid Suit Trousers - KURT - Sage GreenMen's Tailored Fit Plaid Suit Trousers - KURT - Sage Green
Save £74.03Men's Tailored Fit Plaid 2PC Formal Suit - KURT - Sage GreenMen's Tailored Fit Plaid 2PC Formal Suit - KURT - Sage Green
Save £60.03Men's 3-Piece Tailored Fit Plaid Formal Suit - KURT - Sage GreenMen's 3-Piece Tailored Fit Plaid Formal Suit - KURT - Sage Green
Save £40.00Men’s 3-Piece Satin Lapel Tuxedo Suit with Double Breasted Waistcoat - Black Model PictureMen’s 3-Piece Satin Lapel Tuxedo Suit with Double Breasted Waistcoat - Black Model Front Picture
Save £40.00Men’s 3-Piece Textured Formal Suit with Double Breasted Waistcoat - Core - Beige Model PictureMen’s 3-Piece Textured Formal Suit with Double Breasted Waistcoat - Core - Beige Front Picture
Save £40.00Men’s 3-Piece Textured Formal Suit with Double Breasted Waistcoat - Core - Stone Grey Model pictureMen’s 3-Piece Textured Formal Suit with Double Breasted Waistcoat - Core - Stone Grey Front Picture
Save £40.00Men’s 3-Piece Textured Formal Suit with Double Breasted Waistcoat - Core - Navy Blue Model PictureMen’s 3-Piece Textured Formal Suit with Double Breasted Waistcoat - Core - Navy Blue Model Front Picture
Save £60.00Men's Cotton Blend Self Patterned Suit - GIOVANNI Navy Model PictureMen's Cotton Blend Self Patterned Suit - GIOVANNI Navy Model Froint Picture
Save £50.02Men's Slim Fit Formal Suit Set - Gorgeous - Navy BlueMen's Slim Fit Formal Suit Set - Gorgeous - Navy Blue
Gorgeous
Men's Slim Fit Formal Suit Set - Gorgeous - Navy Blue Sale price£69.97 Regular price£119.99
Save £60.03Men’s 3-Piece Tweed Like Glen Check Suit - Luis  - BeigeMen’s 3-Piece Tweed Like Glen Check Suit - Luis  - Beige
Save £60.03Men’s 3-Piece Tweed Like Glen Check Suit - Luis  - NavyMen’s 3-Piece Tweed Like Glen Check Suit - Luis  - Navy
On saleBoys 5-Piece Metallic Jacquard Tuxedo Suit - Black and SilverModel PictureBoys 5-Piece Metallic Jacquard Tuxedo Suit - Black and Silver Front Picture
SIRRI
Boys 5-Piece Metallic Jacquard Tuxedo Suit - Black and Silver Sale priceFrom £59.97 Regular price£89.97
On saleBoys 5-Piece Burgundy Jacquard Tuxedo Suit Main PictureBoys 5-Piece Burgundy Jacquard Tuxedo Suit Model Picture
SIRRI
Boys 5-Piece Burgundy Jacquard Tuxedo Suit Sale priceFrom £69.97 Regular price£89.97
Save £47.99Men's Tweed Glen Check Slim Fit Short Trousers - CARIDI - BlueMen's Tweed Glen Check Slim Fit Short Trousers - CARIDI - Blue
Sold outOn saleBoys Tailored Fit Velvet Suit with Elbow Patches - Navy BlueBoys Tailored Fit Velvet Suit with Elbow Patches - Navy Blue
SIRRI
Boys Tailored Fit Velvet Suit with Elbow Patches - Navy Blue Sale priceFrom £29.97 Regular price£64.99
Sold outOn saleBoys Tailored Fit Velvet Suit with Elbow Patches - BlackBoys Tailored Fit Velvet Suit with Elbow Patches - Black
SIRRI
Boys Tailored Fit Velvet Suit with Elbow Patches - Black Sale priceFrom £29.97 Regular price£64.99
Save £5.02Men's Cotton Slim Fit Formal Trousers  - MARIO - Ice BlueMen's Cotton Slim Fit Formal Trousers  - MARIO - Ice Blue
Save £5.02Men's Cotton Slim Fit Formal Trousers  - MARIO - EcruMen's Cotton Slim Fit Formal Trousers  - MARIO - Ecru
Cavani
Men's Cotton Slim Fit Formal Trousers - MARIO - Ecru Sale price£24.97 Regular price£29.99
Save £14.02Men's Cotton Slim Fit Formal Suit Jacket  - MARIO - EcruMen's Cotton Slim Fit Formal Suit Jacket  - MARIO - Ecru
Save £22.02Men's Cotton Slim Fit Formal Suit Jacket  - MARIO - Electric BlueMen's Cotton Slim Fit Formal Suit Jacket  - MARIO - Electric Blue
Save £27.03Men's Cotton Slim Fit Formal Suit - MARIO - NavyMen's Cotton Slim Fit Formal Suit - MARIO - Navy
Cavani
Men's Cotton Slim Fit Formal Suit - MARIO - Navy Sale price£82.94 Regular price£109.97
Save £9.99Men's Slim-Fit Blue Trousers - BARESI - BlueMen's Slim-Fit Blue Trousers - BARESI - Blue
Cavani
Men's Slim-Fit Blue Trousers - BARESI - Blue Sale price£40.00 Regular price£49.99
Save £39.97Men's Slim-Fit Blue Suit - BARESI - BlueMen's Slim-Fit Blue Suit - BARESI - Blue
Cavani
Men's Slim-Fit Blue Suit - BARESI - Blue Sale price£160.00 Regular price£199.97
Save £39.97Men's Houndstooth Check Skinny Fit Suit - ELWOOD - Tan BeigeMen's Houndstooth Check Skinny Fit Suit - ELWOOD - Tan Beige
Save £70.00Men’s Light Blue Windowpane Slim Fit Blazer Model PictureMen’s Light Blue Windowpane Slim Fit Blazer Back Picture
Cavani
Men’s Light Blue Windowpane Slim Fit Blazer Sale price£19.97 Regular price£89.97
Men Waistcoat Cravat Hanky Set - Pink
Save £95.02Men's Houndstooth Slim Fit Suit Jacket- KYOTO Grey - Light GreyMen's Houndstooth Slim Fit Suit Jacket- KYOTO Grey - Light Grey
Save £55.02Men’s Slim Fit Pinstripe Beige Suit Jacket – KRAKEN Sand - Sand BeigeMen’s Slim Fit Pinstripe Beige Suit Jacket – KRAKEN Sand - Sand Beige
Save £120.02Men's Wool Blend Mid-length Coat - NELSON - Stale GreyMen's Wool Blend Mid-length Coat - NELSON - Stale Grey
Cavani
Men's Wool Blend Mid-length Coat - NELSON - Stale Grey Sale price£39.97 Regular price£159.99

Formal Wear for Men, Boys, Girls & Babies

Kick off the new year in style with Sirri — the perfect time to refresh your wardrobe for upcoming celebrations, weddings, parties, and formal occasions.

And if you’re hunting for the biggest markdowns, don’t miss our sale items, with discounts up to 70% off on selected styles.

  • Men’s Suits & Tuxedos: Save big on slim-fit and tailored suits in classic and modern styles, plus elegant tuxedos for weddings and galas.
  • Boys Suits & Pageboy Outfits: Find dapper 3-piece and 5-piece suits for boys, all at steep discounts.
  • Shirts & Accessories: Grab premium dress shirts, ties, bow ties and pocket squares at reduced prices. Complete your look with polished oxfords, lace up derbys, or brogues, now on sale.
  • Girls’ Dresses & Coats: Discover elegant flower-girl and party dresses, boleros and warm coats. Everything from satin and lace frocks to festive capes is marked down.
  • Babies’ Clothing & Christening Outfits – Shop adorable christening gowns, rompers, and warm winter outfits for babies. Perfect for special occasions or festive family events, all at discounted prices.

From men’s suits and boys’ pageboy outfits to girls’ dresses and babies’ christening outfits, you’ll find premium formalwear at standout value — whether you’re shopping new men's arrivals at 10% off using the code MEN10 or grabbing final reductions from the sales section.

Frequently Asked Questions 

Until when can I use the men's discount code?

While shopping for non-discounted items in our men's section, use the discount code MEN10 to get 10% off on your purchase available until Feb. 28th.

How much can I save on formal wear?
We have prices slashed up to 70% off on selected men’s, boys’, girls’, and babies' formal wear. It’s the perfect time to pick up luxury suits, gowns and accessories for a fraction of the usual cost.

What deals are available on men’s formal wear?
You’ll find Men’s Slim-Fit Suits, Tuxedos, Dress Shirts and more in our sale. Every category is discounted, from classic dinner suits to textured tweed and velvet suits. We even have deals on matching waistcoat sets, velvet blazers and dinner jackets. In short, all your men’s suit essentials – and accessories like ties and shoes – are on sale.

Are boys’ formal outfits included in the sale?
Absolutely. Sirri’s clearance sale covers boys’ suits and formalwear as well. Expect deep discounts on 3-piece and 5-piece Page Boy suits, smart waistcoat sets, dress shirts and bow ties. We cater to every little gentleman, so you can save on outfits for weddings, baptisms and parties.

Why shop formal wear at Sirri?
Sirri offers a carefully curated collection of premium formal attire, so you can get head-to-toe outfits in one place. Our December Clearance Sale gives you the chance to secure premium looks at the lowest prices of the year. Whether you’re outfitting the whole family or just need a new suit or dress, shopping now ensures you get luxury looks without the luxury price tag.

 

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Student & NHS Discount