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

    Stay Connected

    Get the latest on sustainable fashion, new arrivals, and exclusive offers.

    View our Privacy Policy

    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.

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

    M&S Relaxed Fit Long Sleeve T-Shirt in Black

    Marks & Spencer M&S Ultimate Cotton Blend Long Sleeve T-Shirt Black - 1
    Marks & Spencer M&S Ultimate Cotton Blend Long Sleeve T-Shirt Black - 1
    Marks & Spencer M&S Ultimate Cotton Blend Long Sleeve T-Shirt Black - 2
    Marks & Spencer M&S Ultimate Cotton Blend Long Sleeve T-Shirt Black - 3
    Marks & Spencer M&S Ultimate Cotton Blend Long Sleeve T-Shirt Black - 4
    Men/Clothing/Shirts & Tops
    Marks & Spencer

    M&S Relaxed Fit Long Sleeve T-Shirt in Black

    £25.00
    CasualSmart Casual

    Perfect For

    CasualSmart Casual

    Colour

    black
    whiteblack

    Sizes: 2xl / 3xl / l / m / s / xl

    Prices and availability shown may vary from the retailer's website. Please check the retailer for current pricing and stock.

    Chat to our stylist· AI

    Or about anything

    Product Description

    Designed for versatility, this black long sleeve t-shirt features a stretchy ribbed crew neck, cuffs, and hem for a snug fit. Made from a breathable cotton-blend fabric, it ensures softness and breathability for everyday comfort.

    Delivery & Returns

    Marks & Spencer — £3.99 standard delivery, free over £60.00 via Standard, typically 2-4 working days.

    Looking for similar styles? Browse more shirts & tops from Marks & Spencer, casual shirts & tops, all shirts & tops, or everything from Marks & Spencer.

    Reviews

    Write a review

    0 / 2000

    Frequently asked questions

    What occasions is the M&S Relaxed Fit Long Sleeve T-Shirt in Black suitable for?

    The M&S Relaxed Fit Long Sleeve T-Shirt in Black is ideal for casual, smart-casual.

    How do I style the M&S Relaxed Fit Long Sleeve T-Shirt in Black?

    Pair with dress trousers for a smart-casual look or with jeans for a relaxed vibe.

    What sizes does the M&S Relaxed Fit Long Sleeve T-Shirt in Black come in?

    The M&S Relaxed Fit Long Sleeve T-Shirt in Black is available in sizes 2xl, 3xl, l, m, s, xl.

    Marks & Spencer offers free returns within 28 days. Post back via the retailer's chosen courier (free), or in-store where available.

    View Marks & Spencer's returns policy
    Key Features
    • •Brand: M&S
    • •Crew neck detailing
    • •Long sleeve
    • •Relaxed fit silhouette
    • •Breathable cotton-blend fabric for comfort
    • •Stretchy ribbed cuffs and hem for snugness
    • •Easy-to-wear wardrobe staple
    Product Description

    Designed for versatility, this black long sleeve t-shirt features a stretchy ribbed crew neck, cuffs, and hem for a snug fit. Made from a breathable cotton-blend fabric, it ensures softness and breathability for everyday comfort.

    Delivery & Returns

    Marks & Spencer — £3.99 standard delivery, free over £60.00 via Standard, typically 2-4 working days.

    Marks & Spencer offers free returns within 28 days. Post back via the retailer's chosen courier (free), or in-store where available.

    View Marks & Spencer's returns policy
    Key Features & Material
    • •Brand: M&S
    • •Crew neck detailing
    • •Long sleeve
    • •Relaxed fit silhouette
    • •Breathable cotton-blend fabric for comfort
    • •Stretchy ribbed cuffs and hem for snugness
    • •Easy-to-wear wardrobe staple
    Conscious Choice

    Pre-loved Alternatives

    View All

    Second-hand alternatives to the M&S Relaxed Fit Long Sleeve T-Shirt in Black on Vinted, Depop and other UK resellers.

    Autograph M&S Autograph Supima Cotton T-Shirt Brand New With Tags
    Pre-loved
    Autograph

    M&S Autograph Grey Supima Cotton T-Shirt

    £10.00
    Marks & Spencer Marks & Spencer Black Genuine Leather Belt For Men 40’’length
    Pre-loved
    Marks & Spencer

    Marks & Spencer Black Genuine Leather Belt For Men 40'' Length

    £12.00
    Hugo Boss Hugo Boss Fine Knit Jumper Mens Size EU 52 Large Black Crew Neck Cotton Soft
    Pre-loved
    Hugo Boss

    Hugo Boss Black Cotton Fine Knit Jumper

    £18.00
    ASOS Men’s ASOS Black Long Sleeved Shirt Size M
    Pre-loved
    ASOS

    ASOS Men's Black Long Sleeved Shirt Size M

    £3.00
    Hugo Boss Hugo Boss Knitted Jumper - Black - S
    Pre-loved
    Hugo Boss

    Hugo Boss Black Knitted Jumper - Men's Size Small

    £19.99
    River Island Men’s river island T-shirt regular fit
    Pre-loved
    River Island

    River Island Black Oversized T-Shirt

    £10.00
    ASOS ASOS Sweater 100% Cotton
    Pre-loved
    ASOS

    ASOS Black 100% Cotton Sweater

    £8.00
    ASOS ASOS men's black hoody
    Pre-loved
    ASOS

    ASOS Men's Black Hoody

    £5.00

    Similar Items

    View All

    More items for casual and smart casual wear from across SO-ME.

    Marks & Spencer M&S Regular Fit Pure Cotton Crew Neck T-Shirt Black
    Marks & Spencer

    M&S Black Pure Cotton Crew Neck T-Shirt

    £8.00
    Marks & Spencer M&S Cotton Blend Ultimate Performance T-Shirt Black
    Marks & Spencer

    M&S Relaxed Fit Performance T-Shirt in Black

    £18.00
    Marks & Spencer M&S Heatgen™ Medium Thermal Long Sleeve Tops Black
    Marks & Spencer

    M&S Heatgen Black Thermal Long Sleeve Top

    £20.00
    Marks & Spencer M&S Pure Cotton Crew Neck T-Shirt Natural
    Marks & Spencer

    M&S Long Sleeve Crew Neck T-Shirt in Natural

    £12.00
    Marks & Spencer M&S Pure Cotton Oversized Midweight T-Shirt Black
    Marks & Spencer

    M&S Classic Oversized Midweight T-Shirt in Black

    £20.00
    Alse Studio Alse Studio Men's Cotton Premium Quality T-Shirt Long Sleeve With Chest Pocket in Black
    Alse Studio

    Alse Studio Men's Black Cotton Long Sleeve T-Shirt

    £11.95
    Marks & Spencer M&S Regular Fit Pure Cotton Crew Neck T-Shirt Light Grey
    Marks & Spencer

    M&S Light Grey Cotton Crew Neck T-Shirt

    £8.00
    Marks & Spencer M&S Cotton Rich Lightweight Hoodie Black
    Marks & Spencer

    M&S Comfortable Lightweight Hoodie in Black

    £20.00
    Load More
    Load More