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

    -
    ASOS ASOS DESIGN slim suit waistcoat in mauve
    ASOS

    ASOS DESIGN Mauve Slim Suit Waistcoat

    £30.00
    Marks & Spencer M&S Slim Fit Stretch Ultimate Suit Jacket Dark Evergreen
    Marks & Spencer

    M&S Slim Fit Stretch Ultimate Suit Jacket Dark Evergreen

    £80.00
    River Island Mens River Island Grey Regular Fit Texture Suit Jacket
    River Island

    Mens River Island Grey Regular Fit Texture Suit Jacket

    £80.00
    ASOS ASOS DESIGN oversized suit jacket in brown check
    ASOS

    ASOS Brown Check Oversized Suit Jacket

    £85.00
    Marks & Spencer M&S Regular Fit Textured Stretch Suit Trousers Light Grey
    Marks & Spencer

    M&S Light Grey Textured Stretch Regular Fit Suit Trousers

    £50.00
    River Island Mens River Island Navy Regular Fit Suit Trousers
    River Island

    Mens River Island Navy Regular Fit Suit Trousers

    £40.00
    ASOS ASOS DESIGN mix & match oversized suit jacket in grey
    ASOS

    ASOS DESIGN Grey Oversized Suit Jacket

    £85.00
    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 Navy Regular Fit Suit Jacket
    River Island

    Mens River Island Navy Regular Fit Suit Jacket

    £80.00
    ASOS ASOS DESIGN boxy wrap suit jacket in black denim look
    ASOS

    ASOS Boxy Wrap Suit Jacket In Black Denim Look

    £90.00
    Marks & Spencer M&S Tailored Fit Textured Stretch Suit Jacket Brown
    Marks & Spencer

    M&S Brown Textured Stretch Suit Jacket

    £90.00
    River Island Mens River Island Grey Regular Fit Texture Suit Trousers
    River Island

    Mens River Island Grey Regular Fit Texture Suit Trousers

    £40.00
    ASOS ASOS DESIGN stretch crease resistant slim suit jacket in navy
    ASOS

    ASOS DESIGN Navy Stretch Crease Resistant Slim Suit Jacket

    £80.00
    Marks & Spencer M&S Skinny Fit Stretch Tuxedo Jacket Black
    Marks & Spencer

    M&S Skinny Fit Stretch Tuxedo Jacket Black

    £80.00
    River Island Mens River Island Navy Slim Fit Seersucker Suit Trousers
    River Island

    Mens River Island Navy Slim Fit Seersucker Suit Trousers

    £46.00
    ASOS Jack & Jones slim fit suit blazer in light grey
    ASOS

    Jack & Jones Light Grey Slim Fit Suit Blazer

    £85.00
    Marks & Spencer M&S Tailored Fit Textured Suit Trousers Navy
    Marks & Spencer

    M&S Tailored Fit Textured Suit Trousers Navy

    £34.00
    River Island Mens River Island Black Skinny Comfort Stretch Suit Trousers
    River Island

    River Island Black Skinny Comfort Stretch Suit Trousers

    £46.00
    ASOS ASOS DESIGN stretch crease resistant slim suit jacket in black
    ASOS

    ASOS DESIGN Black Stretch Crease Resistant Slim Suit Jacket

    £80.00
    Marks & Spencer M&S Slim Fit Wool Blend Suit Trousers Navy
    Marks & Spencer

    M&S Slim Fit Wool Blend Suit Trousers Navy

    £34.00
    River Island Mens River Island Khaki Skinny Fit Comfort Stretch Suit Jacket
    River Island

    River Island Khaki Skinny Fit Comfort Stretch Suit Jacket

    £94.00
    ASOS ASOS DESIGN boxy suit jacket with button detailing in black pinstripe
    ASOS

    ASOS Black Pinstripe Boxy Suit Jacket With Button Detailing

    £80.00
    Marks & Spencer M&S Tailored Fit Textured Suit Trousers Chocolate
    Marks & Spencer

    M&S Tailored Fit Textured Suit Trousers Chocolate

    £34.00
    River Island Mens River Island Black Skinny Fit Comfort Stretch Suit Jacket
    River Island

    River Island Black Skinny Fit Comfort Stretch Suit Jacket

    £94.00

    Showing 48 of 206

    • Previous
    • 1
    • 2
    • 3
    • …
    • 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.