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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

    -
    River Island Mens River Island Grey Puppytooth Skinny Fit Suit Jacket
    River Island

    Mens River Island Grey Puppytooth Skinny Fit Suit Jacket

    £35.00
    ASOS ASOS DESIGN boxy wrap suit jacket in black denim look
    ASOS

    ASOS Boxy Wrap Suit Jacket In Black Denim Look

    £90.00
    Burton Burton Men's Mid Grey Slim Fit Essential Suit Trousers
    Burton

    Burton Men's Mid Grey Slim Fit Essential Suit Trousers

    £15.75
    ASOS ASOS DESIGN skinny suit blazer in khaki
    ASOS

    ASOS DESIGN Khaki Skinny Suit Blazer

    £55.00
    ASOS ASOS DESIGN slim suit waistcoat in mid khaki
    ASOS

    ASOS DESIGN Slim Suit Waistcoat In Mid Khaki

    £30.00
    ASOS ASOS DESIGN slim suit waistcoat in mid brown
    ASOS

    ASOS Brown Wool Blend Slim Suit Waistcoat

    £30.00
    ASOS ASOS DESIGN skinny suit waistcoat in light blue
    ASOS

    ASOS DESIGN Light Blue Skinny Suit Waistcoat

    £30.00
    ASOS ASOS DESIGN slim suit jacket in olive green brushed flannel
    ASOS

    ASOS DESIGN Olive Green Brushed Flannel Slim Suit Jacket

    £85.00
    ASOS ASOS DESIGN slim denim look double breasted suit jacket in black washable wool
    ASOS

    ASOS DESIGN slim denim look double breasted suit jacket in black washable wool

    £90.00
    ASOS ASOS DESIGN boxy wrap suit jacket with wool in green herringbone
    ASOS

    ASOS Green Herringbone Wool Boxy Wrap Suit Jacket

    £90.00
    ASOS ASOS DESIGN regular double breasted suit blazer in black
    ASOS

    ASOS Black Double Breasted Suit Blazer

    £60.00
    ASOS ASOS DESIGN oversized tapered denim look suit trousers with quarter elasticated wasitband in navy pinstripe
    ASOS

    ASOS Oversized Tapered Denim Look Suit Trousers With Quarter

    £35.00
    ASOS ASOS DESIGN wide denim look suit trouser with quarter elasticated waistband in navy
    ASOS

    ASOS DESIGN Navy Denim Look Wide-Leg Suit Trouser With Quarter

    £35.00
    ASOS ASOS DESIGN slim suit trousers in mid khaki
    ASOS

    ASOS DESIGN Khaki Slim Suit Trousers

    £30.00
    ASOS ASOS DESIGN oversized double breasted suit jacket in herringbone charcoal stripe
    ASOS

    ASOS DESIGN oversized double breasted suit jacket in herringbone charcoal stripe

    £85.00
    ASOS ASOS DESIGN oversized tapered suit trousers with elasticated waistband in ecru stripe
    ASOS

    ASOS Oversized Tapered Suit Trousers With Elasticated Waistband

    £35.00
    ASOS ASOS DESIGN oversized tapered suit trouser in salt and pepper grey
    ASOS

    ASOS DESIGN oversized tapered suit trouser in salt and pepper grey

    £35.00
    ASOS ASOS DESIGN mix & match slim suit trouser in brown
    ASOS

    ASOS DESIGN mix & match slim suit trouser in brown

    £35.00
    ASOS Harry Brown Alex suit trousers in navy
    ASOS

    Harry Brown Alex suit trousers in navy

    £49.00
    ASOS ASOS DESIGN slim melange suit jacket with linen in brown
    ASOS

    ASOS DESIGN Slim Melange Brown Linen Suit Jacket

    £90.00
    ASOS ASOS DESIGN oversized denim look suit jacket in navy
    ASOS

    ASOS Oversized Denim Look Suit Jacket In Navy

    £75.00
    ASOS ASOS DESIGN relaxed suit jacket in brown subtle stripe
    ASOS

    ASOS Brown Subtle Stripe Relaxed Suit Jacket

    £85.00
    ASOS ASOS DESIGN oversized suit jacket in ecru stripe
    ASOS

    ASOS DESIGN Oversized Ecru Stripe Suit Jacket

    £85.00
    ASOS Harry Brown Archie melange slim fit suit jacket in beige in beige
    ASOS

    ASOS Beige Melange Slim Fit Suit Jacket

    £119.00

    Showing 48 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.