M&S
Heatgen™ Medium Thermal Long Johns
£20
Sorry, this item is no longer available
Product code: T148814N
About this style
These thermal long johns provide medium warmth with a regular fit, perfect for cooler days as a base layer underwear. The insulating brushed-back fabric offers breathability for lasting comfort, while comfort seams ensure a snug feel. Featuring Heatgen™ technology that helps generate and retain body heat when temperatures drop, making this undergarment ideal clothing for layering. M&S Collection: easy-to-wear wardrobe staples that combine classic and contemporary styles.
Medium warmth for wrapping up in moderately cold conditions.
Details & care
Details & care
Style
•
Regular fit
•
Button fastening
Features
Thermal
Soft and cosy brushed fabric that keeps warmth in
Heatgen™ technology
lightweight and supersoft, designed to keep you warm when the weather gets chilly
Composition
50% cotton, 26% polyester and 24% viscose (exclusive of trimmings)
Care
Wash at 40°C
Do not bleach
Tumble dry medium temperature
Iron at medium temperature
Do not dry clean
Delivery, collection & returns
Delivery, collection & returns
Christmas delivery and collection last-order dates
Standard Delivery
Order by Saturday 20th of December
Nominated Day Delivery
Order by Tuesday 23rd of December
Store Collection
Order by Tuesday 23rd of December
Delivery
Standard
UK Standard Delivery is available for £3.99 or free on orders over £60 (excluding furniture).
Nominated Day
UK Next Day Delivery and UK Nominated Day Delivery (excluding Northern Ireland) are available for £5.99 (excluding furniture)
Collection
Collect from store
Store collection is free on all fashion, home and beauty orders.
Returns
UK returns
Free
Exclusions apply
Full delivery and collection informationOur returns policyDiscover more in Men's Thermal Underwear
Reviews (571)
Great product
No, I don't recommend this
Excellent quality and really warm. Definitely recommend
Helpful?
Keep snug and warm in these
Yes, I recommend this
Very warm and perfect for the less mobile on cold winter days also helps to save on the heating bills
Helpful?
Great quality at a great price. Thanks M&S
Yes, I recommend this
Excellent quality at a good price. M&S rarely disappoints.
Helpful?
Great Colour
Yes, I recommend this
Nice to find these thermal pants in a different colour, ideal as an extra layer for going to watch the football in the cold weather.
Helpful?
Great replacements
Yes, I recommend this
Bought for my husband, who liked the new colours and hasn’t complained about them, so presume he is happy.
Helpful?
Drews
Yes, I recommend this
Good quality item and good value for the money 👌 .
Helpful?
Great Value
Yes, I recommend this
Excellent value product. Great fit and ordering process (in store collection) was super fast .
Helpful?
Don't bother
No, I don't recommend this
No real warmth felt even under additional clothes.
Helpful?
Brilliant product
Yes, I recommend this
As an arthritis sufferer the warmth from these thermals is so good and helpful
Helpful?
Good quality.
Yes, I recommend this
Good quality, nice fit. Very soft fabric and comfortable round waist.
Helpful?
Nice and warm
Yes, I recommend this
Nice and warm for under trousers when working outside
Helpful?
Warm Soft and very cosy
Yes, I recommend this
Perfect to keep warm when the weather gets colder.
Helpful?
Great and long-lasting quality.
Yes, I recommend this
I have been buying Heatgen clothes from M%S for a longtime. I find them so warm, cozy and comfortable. They are wonderful to use in the winter months at home or when out. It saves using the heating all day. They are so good, I now have my husband buying them! I recommend them to anyone. Can you please provide more colours?
Helpful?
Good quality
Yes, I recommend this
Good for in my wheelchair during the cold winter months.
Helpful?
My go to for thermal underwear!
Yes, I recommend this
Always purchase thermal underwear from M&S, for my husband. Great quality, fit and price. As long as he’s cosy, that’s fine by me.
Helpful?
Prefer the previous design
Yes, I recommend this
Material is good but possibly a few microns thinner than a few years ago, like the new style elastic waist band but not the one button fly front. The previous Y front style fly is probably more expensive to produce, more material and time.
Helpful?
Good quality
Yes, I recommend this
Bought these for my husband. Said they are very comfortable, keep his legs warm and good quality. Better than cheaper brands.
Helpful?
Really pleased with the quality of this garment.
Yes, I recommend this
My husband hasn't worn these yet, but really pleased with quality of this garment.
Helpful?
Pleasantly snug fit
Yes, I recommend this
Need to be longer … good snug fit … need coloured options in maximum warmth apart from black, grey n white
Helpful?
These will definitely keep me warm
Yes, I recommend this
I wasn’t sure about the colour but it’s fine for me
Helpful?
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