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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

    Formal 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

    216 products

    Filter & Sort

    -
    ASOS ASOS DESIGN slim suit jacket in stone
    ASOS

    ASOS DESIGN slim suit jacket in stone

    £55.00
    ASOS ASOS DESIGN slim double breasted suit jacket in light grey
    ASOS

    ASOS DESIGN Light Grey Double-Breasted Slim Suit Jacket

    £55.00
    ASOS ASOS DESIGN wide suit trousers in beige wool
    ASOS

    ASOS Beige Wool Wide Suit Trousers

    £35.00
    ASOS Threadbare Slim fit suit trousers in black
    ASOS

    ASOS Black Slim Fit Suit Trousers

    £35.00
    ASOS Threadbare Tailored fit suit trousers in navy
    ASOS

    ASOS Navy Tailored Fit Suit Trousers

    £35.00
    ASOS New Look super skinny suit trouser in navy
    SALE
    ASOS

    ASOS Navy Super Skinny Suit Trouser

    £3.49£24.99
    ASOS Harry Brown Giacomo slim fit single breasted suit in brown
    ASOS

    ASOS Harry Brown Giacomo Slim Fit Brown Suit

    £288.00
    ASOS ASOS DESIGN flexMAX™ slim suit trousers in dark green
    ASOS

    ASOS DESIGN Dark Green Satin Slim Suit Trousers

    £35.00
    ASOS ASOS DESIGN 100% cotton linen look slim suit trousers in beige
    ASOS

    ASOS DESIGN Beige 100% Cotton Linen Look Slim Suit Trousers

    £30.00
    ASOS Selected slim fit suit trousers in beige pinstripe
    ASOS

    ASOS Beige Pinstripe Slim Fit Suit Trousers

    £80.00
    ASOS ASOS DESIGN slim suit trousers in linen rich ecru twill
    ASOS

    ASOS Ecru Linen Slim Suit Trousers

    £40.00
    ASOS ASOS DESIGN slim suit trousers in light grey washable wool blend
    ASOS

    ASOS DESIGN Light Grey Wool Blend Slim Suit Trousers

    £30.00
    ASOS SKINNY LINEN RICH SUIT TRS
    ASOS

    ASOS Light Pink Linen Skinny Suit Trousers

    £40.00
    ASOS ASOS DESIGN slim suit trousers in ecru
    SALE
    ASOS

    ASOS DESIGN Ecru Slim Suit Trousers

    £33.25£35.00
    ASOS ASOS DESIGN slim suit trousers in burgundy
    SALE
    ASOS

    ASOS DESIGN Burgundy Slim Suit Trousers

    £28.50£30.00
    ASOS River Island linen blend suit trousers in khaki
    ASOS

    ASOS Brown Linen Blend Suit Trousers

    £50.00
    ASOS ASOS DESIGN skinny linen rich suit trousers in green
    SALE
    ASOS

    ASOS Olive Linen Rich Suit Trousers

    £38.00£40.00
    ASOS ASOS DESIGN relaxed suit trousers in stone linen blend
    SALE
    ASOS

    ASOS DESIGN Stone Linen Blend Relaxed Suit Trousers

    £38.00£40.00
    ASOS ASOS DESIGN skinny suit trousers in stone linen rich
    ASOS

    ASOS DESIGN Stone Linen Rich Skinny Suit Trousers

    £40.00
    ASOS ASOS DESIGN slim suit trousers in stone
    ASOS

    ASOS DESIGN Stone Slim Suit Trousers

    £30.00
    ASOS ASOS DESIGN skinny suit trousers in dusty pink
    ASOS

    ASOS Dusty Pink Skinny Suit Trousers

    £30.00
    ASOS Barbour Forstone houndstooth suit in stone
    SALE
    ASOS

    ASOS Barbour Forstone Houndstooth Suit in Stone

    £412.75£468.00
    ASOS Barbour Willowtree linen blend suit in navy
    ASOS

    ASOS Barbour Willowtree Navy Linen Blend Suit

    £468.00
    ASOS ASOS DESIGN relaxed tapered suit trousers in beige
    ASOS

    ASOS DESIGN Beige Double-Breasted Tailored Trousers

    £32.00

    Showing 168 of 216

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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.