Boy's Mercer Sage Green 3 Piece Suit with navy trouser

Need a boy's suit for a first communion or wedding in the Derry/Donegal area?

Here’s a premium, boutique‑grade product description for the MJ’s Mercer Sage 

The MJ’s Mercer Sage 3‑Piece is a refined, modern boys’ suit designed for First Communion, weddings and every special family occasion where he needs to look sharp, confident and effortlessly stylish. The soft sage jacket and waistcoat create a clean, contemporary look, while the navy trousers add depth and contrast for a polished, boutique finish.

Crafted with a tailored silhouette, the Mercer Sage offers structure through the shoulders and chest while keeping movement easy and comfortable for young boys. The combination of sage and navy tones photographs beautifully, giving a premium look that stands out without ever feeling too formal.

Key Features

• Sage Jacket & Waistcoat — a fresh, modern tone that feels premium and timeless
• Navy Trousers — smart, versatile and perfectly balanced against the lighter upper half
• Tailored Fit — clean lines and modern shaping designed for comfort and confidence
• Lightweight & Breathable — ideal for long ceremonies, warm venues and active kids
• Boutique Finishing Touches — contrast lining, neat stitching and coordinated accessories
• Versatile Styling — pairs effortlessly with white, sage or navy shirts

Why Parents Choose It

The Mercer Sage with Navy Trousers delivers the perfect blend of modern colour, premium tailoring and all‑day comfort. It looks exceptional in photos, feels easy for boys to wear and reflects the boutique quality families expect from MJ’s Menswear.

Whether he’s celebrating his First Communion or taking part in a wedding party, the MJ’s Mercer Sage 3‑Piece Boy’s Suit with Navy Trousers ensures he looks polished, confident and perfectly put together.  

This Suit comes with:

• Blazer
• Waistcoat
• Trouser
• Complimentary Suit Carrier

The model is wearing a size 7.

Unsure of your size?  It can be difficult picking the right size with suits.  Give us a message on the website for instant advise or call into store if you live close enough for a fitting.  You can book a fitting on the link below.  We make the experience relaxed and without pressure so you can see what the suit looks like on.

Book your appoint today