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    SO-MESO-ME

    © 2026 SO-ME. All rights reserved.

    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

    Business 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

    504 products

    Filter & Sort

    -
    Marks & Spencer M&S Tailored Fit Check Suit Trousers Dark Navy
    Marks & Spencer

    M&S Tailored Fit Check Suit Trousers Dark Navy

    £19.00
    River Island Mens River Island Navy Slim Fit Corduroy Suit Trousers
    River Island

    River Island Navy Corduroy Slim Fit Suit Trousers

    £50.00
    ASOS ASOS DESIGN slim suit waistcoat in mid khaki
    ASOS

    ASOS DESIGN Slim Suit Waistcoat In Mid Khaki

    £30.00
    Marks & Spencer M&S Tailored Fit Stretch Suit Jacket Light Grey
    Marks & Spencer

    M&S Tailored Fit Stretch Suit Jacket Light Grey

    £26.99
    River Island Mens River Island Grey Relaxed Fit Check Suit Trousers
    River Island

    River Island Men's Grey Check Relaxed Fit Suit Trousers

    £50.00
    ASOS ASOS DESIGN tapered suit trousers in brown
    ASOS

    ASOS DESIGN Brown Tapered Suit Trousers

    £30.00
    Marks & Spencer M&S Regular Fit Stretch Twill Suit Trousers Rich Quartz
    Marks & Spencer

    M&S Rich Quartz Stretch Twill Regular Fit Suit Trousers

    £50.00
    River Island Mens River Island Grey Check Suit Jacket
    River Island

    Mens River Island Grey Check Suit Jacket

    £120.00
    ASOS ASOS DESIGN slim suit trousers in burgundy
    ASOS

    ASOS DESIGN Burgundy Slim Suit Trousers

    £30.00
    Marks & Spencer M&S Slim Fit Pin Stripe Suit Trousers Dark Grey
    Marks & Spencer

    M&S Slim Fit Pin Stripe Suit Trousers Dark Grey

    £50.00
    River Island Mens River Island Brown Corduroy Suit Jacket
    River Island

    Mens River Island Brown Corduroy Suit Jacket

    £120.00
    ASOS ASOS DESIGN skinny suit trousers in burgundy
    ASOS

    ASOS DESIGN Burgundy Skinny Suit Trousers

    £30.00
    Marks & Spencer M&S Pin Stripe Stretch Suit Waistcoat Dark Grey
    Marks & Spencer

    M&S Dark Grey Pin Stripe Stretch Suit Waistcoat

    £50.00
    River Island Mens River Island Brown Slim Fit Textured Suit Trousers
    River Island

    Mens River Island Brown Slim Fit Textured Suit Trousers

    £46.00
    ASOS ASOS DESIGN skinny suit waistcoat in dark green
    ASOS

    ASOS Skinny Suit Waistcoat In Dark Green

    £30.00
    Marks & Spencer M&S Slim Fit Pin Stripe Stretch Suit Jacket Dark Grey
    Marks & Spencer

    M&S Dark Grey Pin Stripe Stretch Slim Fit Suit Jacket

    £90.00
    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 skinny suit waistcoat in light blue
    ASOS

    ASOS DESIGN Light Blue Skinny Suit Waistcoat

    £30.00
    Marks & Spencer M&S Slim Fit Stretch Ultimate Suit Trousers Navy
    Marks & Spencer

    M&S Navy Slim Fit Stretch Ultimate Suit Trousers

    £40.00
    River Island Mens River Island Brown Corduroy Suit Trousers
    River Island

    River Island Brown Corduroy Slim Fit Suit Trousers

    £50.00
    ASOS ASOS DESIGN slim suit waistcoat in green
    ASOS

    ASOS Green Wool Suit Waistcoat

    £30.00
    Marks & Spencer M&S Tailored Fit Stretch Ultimate Suit Trousers Navy
    Marks & Spencer

    M&S Navy Tailored Fit Stretch Ultimate Suit Trousers

    £40.00
    River Island Mens River Island Grey Skinny Fit Check Suit Jacket
    River Island

    Mens River Island Grey Skinny Fit Check Suit Jacket

    £115.00
    ASOS ASOS DESIGN tapered suit trouser in olive green brushed flannel
    ASOS

    ASOS Tapered Suit Trouser In Olive Green Brushed Flannel

    £35.00

    Showing 216 of 504

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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.