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Cassius | Suit Black Slim Fit Three-Piece for Men
Cassius | Suit Black Slim Fit Three-Piece for Men
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30 day free-returns
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When the occasion demands you arrive looking your absolute best — a wedding, a formal dinner, a high-stakes meeting — the Cassius three-piece suit delivers without question.
Why choose the Cassius Suit
- Complete three-piece set — blazer, waistcoat and slim-fit trousers are cut from the same fabric, so the coordination is already done for you.
- Deep black finish — a true, rich black that photographs beautifully and holds its elegance under any lighting.
- Slim tailored cut — follows the body with clean lines through the chest and waist without pulling or restricting movement.
- Structured waistcoat — adds a third layer of formality and sharpens the silhouette when the jacket comes off.
- Formal-ready from the first wear — no breaking in required; this suit is ready for black-tie events, weddings and boardroom occasions straight from the hanger.
Styling tip
Pair with a crisp white dress shirt and a slim black tie for a classic formal look — or swap the tie for an open collar to take it into smart evening territory.
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: Woven suiting fabric (polyester-viscose blend)
- Fit: Slim fit
- Collar: Notch lapel
- Closure: Single button jacket / button-front waistcoat / hook and bar trousers
- Season: All year
- Occasion: Formal / Black-tie / Business
- Care: Dry clean only
Our guarantee
- Free UK shipping
- 30-day returns
FREQUENTLY ASKED QUESTIONS
Are my payment details secure?
Yes, your payment details are encrypted and secured using industry-standard encryption. More details are in our Payment Policy.
How long do I have to return a product?
You have 30 days from delivery to return a product. Full details can be found in our Return & Refund Policy.
What are your delivery times?
Orders are processed within 1-2 business days. After dispatch, transit time takes around 5 to 7 business days (Monday to Friday). Total delivery time will be 6 to 9 business days. For more information kindly visit our Shipping Policy.
How do I track my order?
Once your order has been dispatched, you will receive a tracking number via email. You can track your parcel via the links in our Track Your Order page.
Do you offer free shipping?
Yes, we offer free shipping for orders in the whole UK. Additional fees may apply for international shipment. See more in our Shipping Policy.
We always offer free shipping across the United Kingdom.
Save money when ordering with us
If the product doesn't meet your expectations, you can easily and quickly return it to us.