We use cookies to improve your experience. Learn more about our cookie policy

    SO-ME
    WomenMenBrandsEdits
    Clothing
    • Activewear
    • Dresses
    • Nightwear & Loungewear
    • One-Pieces
    • Outerwear
    • Outfit Sets
    • Shirts & Tops
    • Shorts
    • Skirts
    • Suits
    • Swimwear
    • Trousers & Jeans
    • Underwear & Socks
    Accessories
    • Belts
    • Gloves & Mittens
    • Hair Accessories
    • Hats
    • Scarves & Snoods
    • Sunglasses
    • Ties
    Bags
    • Handbags
    • Wallets & Money Clips
    Jewellery
    • Anklets
    • Bracelets
    • Earrings
    • Necklaces
    • Rings
    • Watches
    Shoes→
    Clothing
    • Activewear
    • Dresses
    • Nightwear & Loungewear
    • Outerwear
    • Outfit Sets
    • Shirts & Tops
    • Shorts
    • Suits
    • Swimwear
    • Trousers & Jeans
    • Underwear & Socks
    Accessories
    • Belts
    • Gloves & Mittens
    • Hats
    • Scarves & Snoods
    • Sunglasses
    • Ties
    Bags
    • Handbags
    • Wallets & Money Clips
    Jewellery
    • Bracelets
    • Earrings
    • Necklaces
    • Rings
    • Watches
    Shoes→
    SO-ME
    Women
    ClothingActivewearDressesNightwear & LoungewearOne-PiecesOuterwearOutfit SetsShirts & TopsShortsSkirtsSuitsSwimwearTrousers & JeansUnderwear & Socks
    AccessoriesBeltsGloves & MittensHair AccessoriesHatsScarves & SnoodsSunglassesTies
    BagsHandbagsWallets & Money Clips
    JewelleryAnkletsBraceletsEarringsNecklacesRingsWatches
    Shoes
    Men
    ClothingActivewearDressesNightwear & LoungewearOuterwearOutfit SetsShirts & TopsShortsSuitsSwimwearTrousers & JeansUnderwear & Socks
    AccessoriesBeltsGloves & MittensHatsScarves & SnoodsSunglassesTies
    BagsHandbagsWallets & Money Clips
    JewelleryBraceletsEarringsNecklacesRingsWatches
    Shoes
    HomeFavoritesChatProfile

    Help

    • Help Centre
    • Shipping policy
    • Returns policy
    • Refund policy
    • Payments
    • Contact

    About

    • Our Story
    • How ranking works
    • Edits
    • Become a partner
    • Careers

    Shop

    • Women
    • Men
    • All Genders
    • Brands

    Follow Us

    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.

    Powered by Sighted

    • Terms of Use|
    • Privacy Policy|
    • Cookies Policy|
    • Intellectual Property|
    • Affiliate Disclosure|
    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

    206 products

    Filter & Sort

    -
    Marks & Spencer M&S Slim Fit Twill Suit Trousers Blue
    Marks & Spencer

    M&S Blue Slim Fit Twill Suit Trousers

    £50.00
    River Island Mens River Island Grey Skinny Fit Comfort Suit Trousers
    River Island

    River Island Grey Skinny Fit Comfort Suit Trousers

    £46.00
    ASOS ASOS DESIGN oversized tapered pleated suit trousers in navy pinstripe
    ASOS

    ASOS DESIGN Oversized Tapered Pleated Navy Pinstripe Suit

    £35.00
    Paul Andrew Paul Andrew Men's 3 Piece Tweed Check Suit with Trousers
    Paul Andrew

    Paul Andrew Men's 3 Piece Tweed Check Suit with Trousers

    £225.00
    Scott Scott Men's Regular Suit Trousers in Dark Grey
    Scott

    Scott Men's Regular Suit Trousers in Dark Grey

    £19.20
    Burton Burton Men's Mid Grey Puppytooth Slim Fit Suit Trouser
    Burton

    Burton Men's Mid Grey Puppytooth Slim Fit Suit Trouser

    £23.00
    revolve Wool Hewitt Suit Pants
    revolve

    Revolve Navy Wool Hewitt Suit Pants

    £184.88
    Marks & Spencer M&S Slim Fit Twill Suit Trousers Bordeaux
    Marks & Spencer

    M&S Bordeaux Slim Fit Twill Suit Trousers

    £50.00
    River Island Mens River Island Brown Slim Fit Suit Jacket
    River Island

    Mens River Island Brown Slim Fit Suit Jacket

    £104.00
    ASOS ASOS DESIGN slim suit trouser in olive green flannel
    ASOS

    ASOS Olive Green Flannel Slim Suit Trouser

    £35.00
    Burton Burton Men's Light Grey Slim Fit Essential Suit Trousers
    Burton

    Burton Men's Light Grey Slim Fit Essential Suit Trousers

    £21.00
    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
    Marks & Spencer M&S Regular Fit Suit Trousers Navy
    Marks & Spencer

    M&S Regular Fit Suit Trousers Navy

    £30.00
    River Island Mens River Island Beige Relaxed Fit Suit Trousers
    River Island

    Mens River Island Beige Relaxed Fit Suit Trousers

    £46.00
    ASOS ASOS DESIGN oversized tapered suit trouser in brown glen check
    ASOS

    ASOS Brown Glen Check Oversized Tapered Suit Trouser

    £40.00
    Burton Burton Men's Dark Beige Linen Slim Fit Suit Trousers
    Burton

    Burton Men's Dark Beige Linen Slim Fit Suit Trousers

    £40.50
    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
    River Island Mens River Island Beige Slim Fit Suit Trousers
    River Island

    Mens River Island Beige Slim Fit Suit Trousers

    £46.00
    Marks & Spencer M&S Tailored Fit Textured Suit Trousers Black
    Marks & Spencer

    M&S Tailored Fit Textured Suit Trousers Black

    £34.00
    ASOS ASOS DESIGN slim herringbone suit waistcoat with wool in dark green
    ASOS

    ASOS DESIGN Slim Herringbone Wool Waistcoat In Dark Green

    £40.00
    River Island Mens River Island Beige Slim Fit Cotton Suit Jacket
    River Island

    Mens River Island Beige Slim Fit Cotton Suit Jacket

    £104.00
    ASOS ASOS DESIGN slim herringbone suit trouser with wool in dark green
    ASOS

    ASOS DESIGN slim herringbone suit trouser with wool in dark green

    £40.00
    Marks & Spencer M&S Regular Fit Textured Stretch Suit Trousers Light Grey
    Marks & Spencer

    M&S Light Grey Textured Stretch Suit Trousers

    £50.00
    River Island Mens River Island Grey Slim Fit Pinstripe Suit Jacket
    River Island

    Mens River Island Grey Slim Fit Pinstripe Suit Jacket

    £115.00

    Showing 24 of 206

    • 1
    • 2
    • …
    • 9
    • Next

    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.