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    SO-ME is a trading name of SO-ME App Ltd. Registered in England and Wales. Toward Studio, Cambrian Buildings, Cardiff CF10 5FL. SO-ME earns commission from qualifying purchases. This does not affect pricing.

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    1. Home
    2. /Men
    3. /Clothing
    4. /Suits
    5. /Trouser Suits

    Casual Trouser Suits

    A suit that fits properly changes everything. Classic single-breasted, contemporary slim-fit, double-breasted, unstructured and relaxed, we bring together options from M&S, ASOS, and designer labels alongside preloved suits where the quality genuinely speaks for itself. A preloved designer suit in quality wool will outperform a new budget suit in every way. Use our filters or AI stylist to find the right fit for your occasion and budget.

    Products

    88 products

    Filter & Sort

    -
    French Connection Black Relaxed Fit Pleated Suit Trousers Black
    French Connection

    French Connection Black Relaxed Fit Pleated Suit Trousers

    £55.00
    Marks & Spencer M&S Regular Fit Wool Rich Tweed Check Suit Trousers Bordeaux
    Marks & Spencer

    M&S Regular Fit Wool Rich Tweed Check Suit Trousers Bordeaux

    £60.00
    River Island Mens River Island Black Regular Fit Suit Trousers
    River Island

    Mens River Island Black Regular Fit Suit Trousers

    £40.00
    ASOS ASOS DESIGN crease resistant slim suit trouser in olive green
    ASOS

    ASOS Slim Fit Olive Green Crease Resistant Suit Trouser

    £35.00
    Burton Burton Men's Navy Stretch Skinny Fit Suit Trousers
    Burton

    Burton Men's Navy Stretch Skinny Fit Suit Trousers

    £28.00
    Lambretta Lambretta Men's George Pow Check Suit Trousers in Grey
    Lambretta

    Lambretta Men's George Pow Check Suit Trousers in Grey

    £43.00
    River Island Mens River Island Cream Slim Fit Linen Blend Suit Trousers
    River Island

    Mens River Island Cream Slim Fit Linen Blend Suit Trousers

    £35.00
    Marks & Spencer M&S Tailored Fit Micro Check Suit Jacket Bordeaux
    Marks & Spencer

    M&S Tailored Fit Micro Check Suit Jacket Bordeaux

    £90.00
    ASOS ASOS DESIGN skinny suit trousers in khaki
    ASOS

    ASOS DESIGN Khaki Skinny Suit Trousers

    £30.00
    French Connection Linen Suit Trousers Sand
    French Connection

    French Connection Beige Linen Slim Fit Trousers

    £79.00
    Lambretta Lambretta Men's Bradley Checked Suit Trousers in Light Grey
    Lambretta

    Lambretta Men's Bradley Checked Suit Trousers in Light Grey

    £43.00
    Burton Burton Men's Charcoal Tweed Look Slim Fit Suit Trousers
    Burton

    Burton Men's Charcoal Tweed Look Slim Fit Suit Trousers

    £30.00
    River Island Mens River Island Grey Skinny Fit Check Suit Trousers
    River Island

    Mens River Island Grey Skinny Fit Check Suit Trousers

    £50.00
    ASOS ASOS DESIGN stretch crease resistant slim suit trouser in navy
    ASOS

    ASOS Slim Fit Navy Stretch Trousers

    £40.00
    Marks & Spencer M&S Tailored Fit Seersucker Stretch Suit Jacket Navy
    Marks & Spencer

    M&S Tailored Fit Seersucker Stretch Suit Jacket Navy

    £31.49
    French Connection Linen Suit Trousers Navy
    French Connection

    French Connection Navy Linen Slim Fit Trousers

    £79.00
    Burton Burton Men's Navy Tailored Fit Essential Suit Trousers
    Burton

    Burton Men's Navy Tailored Fit Essential Suit Trousers

    £12.25
    River Island Mens River Island Navy Slim Fit Corduroy Suit Jacket
    River Island

    River Island Navy Corduroy Slim Fit Suit Jacket

    £120.00
    ASOS ASOS DESIGN slim suit jacket in navy flannel
    ASOS

    ASOS DESIGN Navy Flannel Slim Suit Jacket

    £85.00
    Marks & Spencer M&S Slim Fit Linen Blend Stretch Suit Trousers Brown Mix
    Marks & Spencer

    M&S Slim Fit Linen Blend Stretch Suit Trousers Brown Mix

    £27.50
    Burton Burton Men's Black Skinny Fit Essential Suit Trousers
    Burton

    Burton Men's Black Skinny Fit Essential Suit Trousers

    £12.25
    River Island Mens River Island Black Slim Fit Stretch Tailored Suit Trousers
    River Island

    Mens River Island Black Slim Fit Stretch Tailored Suit Trousers

    £40.00
    ASOS ASOS DESIGN slim suit jacket in olive green flannel
    ASOS

    ASOS DESIGN Olive Green Flannel Slim Suit Jacket

    £85.00
    Burton Burton Men's Grey Pinstripe Slim Fit Suit Trousers in Mid Grey
    Burton

    Burton Men's Mid Grey Pinstripe Slim Fit Suit Trousers

    £22.50

    Showing 24 of 88

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    Frequently Asked Questions

    How should a men's suit fit?▾

    Jacket shoulders at yours. Button without pulling. Sleeves showing about 1.5cm of shirt cuff. Trousers at your natural waist, breaking slightly at the shoe, room to sit comfortably. Modern fits are slimmer through the body and leg without being tight. If buying preloved, budget for tailoring, it transforms the result.

    What colour suit is most versatile?▾

    Navy. Works for business, weddings, formal events, and pairs with virtually any shirt and tie. Charcoal grey is equally adaptable. Black is best for very formal and evening occasions. Start with navy and grey, then add mid-blue or tan.

    Is it worth buying a preloved suit?▾

    One of the smartest things you can do on SO-ME. A preloved designer suit in wool or cashmere will outperform a new budget suit in fit, drape, and longevity. Have it dry-cleaned and tailored to your measurements, even hemming the trousers and adjusting the waist makes a dramatic difference.