Nathaniel | Suit Black Slim Fit Three-Piece Double-Breasted Waistcoat for Men

When the occasion demands you walk in and own the room, a black three-piece suit cut this precisely leaves nothing to chance.

Why choose the Nathaniel Suit

• All-black tailoring — the deep, uniform black across blazer, waistcoat and trousers creates a seamless, commanding silhouette that works from wedding ceremonies to black-tie dinners.
• Double-breasted waistcoat with six buttons — the layered chest adds genuine visual structure and defines your torso in a way a standard single-breasted waistcoat simply doesn't.
• Slim fit cut — tailored close to the body without restricting movement, giving you a sharp, modern line that photographs exceptionally well.
• Three-piece set — blazer, waistcoat and trousers are cut and matched as one, so the fit and tone are consistent across the full look with no mismatched pieces.
• Peak lapel blazer — the pointed lapels add a touch of formality and presence, elevating this beyond an everyday suit into something genuinely occasion-worthy.

Styling tip

Wear with a black dress shirt and a slim black tie for a fully tonal, high-impact look — or switch to a crisp white shirt with a silver tie to let the suit's structure take centre stage at a wedding or formal event.

What size should I get?

• True to size.
• Usually wear size L? Choose size L.
• Between two sizes? Go for the larger size for extra comfort.

Specifications

• Colour: Black
• Material: Polyester blend
• Fit: Slim fit
• Collar: Peak lapel
• Sleeve length: Long sleeve
• Closure: Single-button blazer / Double-breasted waistcoat
• Season: Autumn/Winter
• Occasion: Formal / Black-tie / Wedding
• Care: Dry clean only

Our guarantee

• Free UK shipping
• 30-day returns