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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

    Smart 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

    93 products

    Filter & Sort

    -
    ASOS Harry Brown Giacomo slim fit suit trousers in dark green
    ASOS

    ASOS Dark Green Harry Brown Giacomo Slim Fit Suit Trousers

    £79.00
    revolve Wool Hewitt Suit Pants
    revolve

    Revolve Navy Wool Hewitt Suit Pants

    £184.88
    Melka Melka Men's Regular Suit Trousers in Silver
    Melka

    Melka Men's Silver Regular Suit Trousers

    £15.00
    Burton Burton Men's Navy Marl Tailored Fit Suit Trousers
    Burton

    Burton Men's Navy Marl Tailored Fit Suit Trousers

    £45.50
    Marks & Spencer M&S Regular Fit Stretch Ultimate Suit Trousers Navy
    Marks & Spencer

    M&S Navy Regular Fit Stretch Ultimate Suit Trousers

    £40.00
    Threadbare Threadbare Men's Tailored Fit Check Suit Trousers in Grey
    Threadbare

    Threadbare Men's Tailored Fit Check Suit Trousers in Grey

    £35.00
    Paul Andrew Paul Andrew Men's Mark - 3 Piece Tweed Check Suit in Cream
    Paul Andrew

    Paul Andrew Men's Mark - 3 Piece Tweed Check Suit in Cream

    £219.00
    ASOS ASOS DESIGN skinny suit trousers in brown
    ASOS

    ASOS DESIGN Brown Skinny Suit Trousers for Men

    £35.00
    Burton Burton Men's Dark Beige Linen Slim Fit Suit Trousers
    Burton

    Burton Men's Dark Beige Linen Slim Fit Suit Trousers

    £40.50
    Threadbare Threadbare Men's Tailored Fit Lightweight Suit Trousers in Stone
    Threadbare

    Threadbare Men's Tailored Fit Lightweight Suit Trousers in Stone

    £35.00
    Paul Andrew Paul Andrew Men's Belmont Trousers Wedding Suit Pants in Silver
    Paul Andrew

    Paul Andrew Silver Tailored Fit Wedding Suit Pants

    £55.00
    Marks & Spencer M&S Slim Fit Linen Blend Stretch Suit Trousers Brown Mix
    Marks & Spencer

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

    £55.00
    ASOS ASOS DESIGN 100% summer wool tapered suit trousers in green
    ASOS

    ASOS Green Wool Blazer and Tapered Trousers Suit

    £50.00
    Burton Burton Men's Natural Linen Slim Fit Suit Trousers
    Burton

    Burton Men's Natural Linen Slim Fit Suit Trousers

    £40.50
    Threadbare Threadbare Men's Tailored Fit Suit Trousers in Navy
    Threadbare

    Threadbare Men's Navy Tailored Fit Suit Trousers

    £35.00
    Marks & Spencer M&S Skinny Fit Stretch Ultimate Suit Trousers Charcoal
    Marks & Spencer

    M&S Charcoal Stretch Skinny Fit Suit Trousers

    £40.00
    ASOS ASOS DESIGN 100% summer wool tapered suit trousers in brown
    ASOS

    ASOS Brown Wool Tapered Suit Trousers

    £50.00
    Threadbare Threadbare Men's Slim Fit Suit Trousers in Black
    Threadbare

    Threadbare Men's Slim Fit Suit Trousers in Black

    £35.00
    Burton Burton Men's Plus & Tall Mid Grey Essential Suit Trousers
    Burton

    Burton Men's Plus & Tall Mid Grey Essential Suit Trousers

    £31.50
    ASOS ASOS DESIGN wide suit trousers in navy pinstripe
    ASOS

    ASOS DESIGN Navy Pinstripe Wide Suit Trousers

    £35.00
    Burton Burton Men's Rust Pleated Relaxed Fit Suit Trouser
    Burton

    Burton Men's Rust Pleated Relaxed Fit Suit Trouser

    £44.00
    ASOS ASOS DESIGN wide suit trousers in beige wool
    ASOS

    ASOS Beige Wool Wide Suit Trousers

    £35.00
    ASOS Harry Brown Giacomo slim fit suit trousers in light blue
    ASOS

    ASOS Harry Brown Light Blue Slim Fit Suit Trousers

    £79.00
    ASOS Threadbare Tailored fit lightweight suit trousers in stone
    ASOS

    ASOS Stone Tailored Fit Lightweight Suit Trousers

    £35.00

    Showing 24 of 93

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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.