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    M&S Heatgen™ White Thermal Long Johns

    Marks & Spencer M&S Heatgen™ Medium Thermal Long Johns White - 1
    Marks & Spencer M&S Heatgen™ Medium Thermal Long Johns White - 1
    Men/Underwear & Socks/Underwear
    Marks & Spencer

    M&S Heatgen™ White Thermal Long Johns

    £20.00
    Casual

    Perfect For

    Casual

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

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

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    Product Description

    A pair of thermal long johns from M&S, crafted from brushed cotton for medium warmth and breathability. Designed with a regular fit, these long johns provide a snug and comfortable feel, perfect for cooler days. The Heatgen™ technology helps generate and retain body heat, making them ideal for layering under other garments. Sits comfortably on the body, offering a smooth and snug fit. Made for layering under trousers for cooler days, and as a base layer for outdoor activities in mild weather. Style with a pair of dark wash jeans and a flannel shirt for a casual look. Brushed cotton, machine wash 30°C.

    Delivery & Returns

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

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    Frequently asked questions

    What occasions is the M&S Heatgen™ White Thermal Long Johns suitable for?

    The M&S Heatgen™ White Thermal Long Johns is ideal for casual, everyday.

    How do I style the M&S Heatgen™ White Thermal Long Johns?

    Pair with dark wash jeans and a flannel shirt for a casual, layered look.

    What is the M&S Heatgen™ White Thermal Long Johns made from?

    The M&S Heatgen™ White Thermal Long Johns is made from cotton.

    Complete the Look

    View all

    Editor's edit

    Styled just for this underwear

    Pair with dark wash jeans and a flannel shirt for a casual, layered look.

    See all outfit ideas
    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
    • •Brand: M&S
    • •Brushed cotton fabric for warmth and breathability
    • •Heatgen™ technology for heat retention
    • •Regular fit for a comfortable and snug feel
    • •Comfort seams for durability
    Product Description

    A pair of thermal long johns from M&S, crafted from brushed cotton for medium warmth and breathability. Designed with a regular fit, these long johns provide a snug and comfortable feel, perfect for cooler days. The Heatgen™ technology helps generate and retain body heat, making them ideal for layering under other garments. Sits comfortably on the body, offering a smooth and snug fit. Made for layering under trousers for cooler days, and as a base layer for outdoor activities in mild weather. Style with a pair of dark wash jeans and a flannel shirt for a casual look. Brushed cotton, machine wash 30°C.

    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
    • •Brushed cotton fabric for warmth and breathability
    • •Heatgen™ technology for heat retention
    • •Regular fit for a comfortable and snug feel
    • •Comfort seams for durability
    What sizes does the M&S Heatgen™ White Thermal Long Johns come in?

    The M&S Heatgen™ White Thermal Long Johns is available in sizes 2xl, l, m, s, xl, xs.

    Conscious Choice

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