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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 ASOS DESIGN tapered suit trousers in mid grey
    ASOS

    ASOS DESIGN Mid Grey Tailored Suit Trousers

    £40.00
    ASOS ASOS DESIGN skinny suit trousers in grey
    ASOS

    ASOS Grey Wool-Blend Skinny Suit Trousers

    £30.00
    ASOS ASOS DESIGN linen rich oversized tapered suit trousers in terracotta stripe
    ASOS

    ASOS Terracotta Stripe Linen Oversized Tapered Suit Trousers

    £40.00
    ASOS ASOS DESIGN skinny suit trousers in burgundy
    SALE
    ASOS

    ASOS DESIGN Burgundy Skinny Suit Trousers for Men

    £20.99£30.00
    ASOS ASOS DESIGN carrot fit suit trousers in grey
    ASOS

    ASOS DESIGN Grey Double-Breasted Blazer & Trousers

    £30.00
    ASOS ASOS DESIGN FlexMax™ slim suit trousers in blue
    ASOS

    ASOS Blue Slim Suit Trousers

    £35.00
    ASOS ASOS DESIGN relaxed tapered  suit trousers in olive green
    ASOS

    ASOS Olive Green Relaxed Tapered Suit Trousers

    £30.00
    ASOS ASOS DESIGN oversized tapered suit trousers in blue check
    ASOS

    ASOS DESIGN Blue Check Oversized Tapered Suit Trousers

    £35.00
    ASOS ASOS DESIGN Premium 100% linen wide suit trousers in olive green
    ASOS

    ASOS Olive Green Linen Wide Suit Trousers

    £60.00
    ASOS ASOS DESIGN barrel suit trousers in dusty green
    ASOS

    ASOS Dusty Green Barrel Suit Trousers

    £35.00
    ASOS ASOS DESIGN 100% summer wool tapered suit trousers in navy
    ASOS

    ASOS Navy Wool Tailored Suit Trousers

    £50.00
    ASOS ASOS DESIGN linen look tapered suit trousers in grey
    ASOS

    ASOS DESIGN Grey Linen Look Tapered Suit Trousers

    £35.00
    ASOS ASOS DESIGN tapered linen rich suit trousers in brown
    SALE
    ASOS

    ASOS Brown Linen Rich Suit Trousers

    £29.99£40.00
    ASOS ASOS DESIGN 100% cotton linen look oversized tapered suit trousers with elasticated waist in burnt orange
    ASOS

    ASOS Burnt Orange Oversized Tapered Suit Trousers

    £30.00
    ASOS Tommy Hilfiger suit in beige
    SALE
    ASOS

    Tommy Hilfiger Beige Blazer and Trousers Set

    £319.98£420.00
    ASOS Selected slim fit suit in beige pinstripe
    ASOS

    ASOS Beige Pinstripe Slim Fit Suit

    £215.00
    ASOS ASOS DESIGN 100% cotton linen look slim suit trousers in blue
    ASOS

    ASOS DESIGN Blue Linen Look Slim Suit Trousers in Mid Blue

    £30.00
    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 ASOS DESIGN wide leg linen blend suit trouser with elasticated waist in cream stripe
    ASOS

    ASOS DESIGN Cream Stripe Linen Blend Wide Leg Trousers

    £40.00
    ASOS ASOS DESIGN FlexMax™  skinny suit trousers in olive green
    ASOS

    ASOS Olive Green Skinny Suit Trousers

    £35.00
    ASOS River Island Skinny fit tailored suit trousers in green
    ASOS

    ASOS Green Wool Blend Skinny Fit Tailored Suit Trousers

    £46.00
    ASOS ASOS DESIGN wide leg suit trousers in stone
    ASOS

    ASOS Wide Leg Suit Trousers In Stone

    £35.00
    ASOS Topman slim suit trousers in khaki
    ASOS

    ASOS Khaki Slim Suit Trousers

    £45.00
    ASOS ASOS DESIGN skinny suit trousers in brown subtle check
    ASOS

    ASOS DESIGN Brown Check Skinny Suit Trousers

    £40.00

    Showing 48 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.