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Bestseller

Boys' Three-Piece Formal Suit Set with Shirt, Waistcoat, Trousers and Bow Tie for Special Occasions | Koossa


Low stock!
Free delivery Free UK delivery — includes tracking
Money-back guarantee 30-day money-back guarantee
Colour:Navy
Size:

Size Guide

Women's Clothing · All measurements in cm

SizeUKBust (cm)Waist (cm)Hip (cm)
XS6–880–8460–6486–90
S8–1084–8864–6890–94
M10–1288–9468–7494–100
L12–1494–10074–80100–106
XL14–16100–10680–86106–112
XXL18–20106–11486–94112–120
3XL20–22114–12294–102120–128

All measurements are body measurements. If you are between sizes, we recommend sizing up for a more relaxed fit.

Dispatched Thu 2 Jul
🇬🇧 Free UK Delivery
2-Year Guarantee Quality assured
30-Day Returns Hassle-free

Boys' Three-Piece Formal Suit Set

Let your young gentleman shine at every special occasion with this elegant three-piece suit set. Thoughtfully designed for formal celebrations, this ensemble includes a crisp shirt, a tailored waistcoat, smart trousers, and a coordinating bow tie. Perfect for weddings, christenings, birthday parties, and family gatherings where a polished appearance is cherished. The set ensures your little one looks distinguished whilst feeling comfortable throughout the day, allowing him to move freely and enjoy the celebration with confidence and ease.

Why You'll Love It

  • Complete Formal Ensemble: Everything needed for a polished, coordinated look arrives in one thoughtful set.
  • Comfortable All-Day Wear: Designed with soft construction so young boys can play, sit, and move without restriction.
  • Elegant Bow Tie Included: Adds a distinguished finishing touch that elevates the entire outfit effortlessly.
  • Versatile Occasion Wear: Ideal for weddings, christenings, family portraits, birthday parties, and other cherished celebrations.
  • Thoughtful Tailoring: Each piece is cut to flatter a young boy's frame whilst maintaining a smart, grown-up silhouette.
  • Available in Multiple Sizes: Fits babies and young boys from six months through to seven years, ensuring the perfect fit as he grows.

Perfect For

This three-piece formal suit is the ideal choice for any occasion where your young gentleman needs to look his very best. Whether attending a wedding as a pageboy, celebrating a milestone birthday, or joining the family for a christening or formal portrait session, this set delivers understated elegance and effortless style. The coordinating bow tie and waistcoat bring a touch of classic British tailoring to his wardrobe, ensuring he feels confident and looks distinguished throughout every special moment.

Free UK delivery on every order — no minimum spend required.

Your order is carefully packaged and sent with full tracking, so you always know exactly when to expect your delivery.

Order today and we'll dispatch it the next working day.

Not quite right? You have 30 days to return your purchase — no questions asked.

We also offer a 2-year guarantee against manufacturing faults, because we stand behind everything we sell.

1
Contact us Email us with your order number and reason for return.
2
Send it back Pack the item securely and post it to our returns address.
3
Receive your refund Once received, we'll process your return and refund within 5 working days.
Fit Guide ✓  True to Size
Runs small
Runs large
Boys' Three-Piece Formal Suit Set with Shirt, Waistcoat, Trousers and Bow Tie for Special Occasions | Koossa
Boys' Three-Piece Formal Suit Set with Shirt, Waistcoat, Trousers and Bow Tie for Special Occasions | Koossa Sale price£39.95
Gentle on skin Gentle on delicate skin
Made for play Built for active play
Complete the look

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Frequently asked questions

How do I know this will fit me?
Each product page includes a detailed size guide. If you're between sizes, we recommend sizing up for a more comfortable, relaxed fit. Our customer care team is also happy to advise — simply get in touch before you order.
What is your returns policy?
We offer a straightforward 30-day returns policy. If you're not completely satisfied, contact our team with your order number and we'll guide you through the process. Refunds are issued within 5 working days of receiving your return.
How do you ensure the quality of your clothing?
Every garment in the Koossa collection is selected for its fabric quality, construction, and longevity. We work with carefully chosen suppliers and assess each piece for fit, finish, and durability before it reaches you.
Are the colours accurate in the product photos?
We photograph each item in natural light to represent colour, texture, and drape as faithfully as possible. Please note that screen settings can vary slightly, but we do our best to ensure what you see is what you receive.
When will my order arrive?
Orders placed today are dispatched the next working day. All deliveries include full tracking so you can follow your parcel every step of the way. Free UK delivery is included on every order, with no minimum spend.
Why shop with Koossa?
Koossa was created for those who dress with intention. We curate timeless, well-made clothing and accessories for the over-50s — people who value quality over trends, and style over noise. Every order is backed by free delivery, easy returns, and genuine customer care.
The Koossa team in our boutique The Koossa team
Our Promise

We stand behind every piece we sell

We started Koossa because we believed fashion could be both timeless and trustworthy. Every garment is personally selected for its quality, cut, and craftsmanship. If it wouldn't meet our own standards, it doesn't reach yours. That's not a policy — it's simply how we work.

30day
No-questions returns window
0.5%
Of customers ever use it
5day
Refund processed within
30-Day Money-Back Guarantee Not satisfied? We'll refund you in full — no forms, no fuss. Simply contact us within 30 days.
Free UK Delivery On every order
Easy Returns 30-day hassle-free returns
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