M&S
Heatgen™ Maximum Thermal Long Johns
£28
Product code: T147412W
About this style
These thermal long johns combine warmth with comfort through our warming Heatgen™ fabric. Cut to a regular fit with an elasticated waist and cuffed bottoms for secure, comfortable wear. The base layer underwear keeps you warm throughout the day, while the brushback texture feels gentle on skin. Supersoft seams prevent chafing, and a keyhole fly adds everyday practicality. Perfect cold weather clothing for when temperatures drop. M&S Collection: Easy-to-wear wardrobe staples that combine classic and contemporary styles.
Maximum warmth for keeping cosy in colder climates.
Details & care
Details & care
Style
•
Regular fit
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
35% wool, 26% polyester, 23% viscose and 16% polyamide (exclusive of trimmings)
Care
Wash at 40°C
Do not bleach
Tumble dry medium temperature
Iron at low temperature
Do not dry clean
Delivery, collection & returns
Delivery, collection & returns
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 (653)
Excellent!
Yes, I recommend this
Well made and very comfortable. Would definitely buy again.
Helpful?
Very comfortable to wear
Yes, I recommend this
Great quality thermals that are warm, fantastic for the chilly Winter months. I could recommend this product if you feel the cold. They wash well, I have bought them in the past and would buy again.
Helpful?
Disappointed
No, I don't recommend this
Bought to give added warmth for my 91 year old husband but he says they’re no warmer than the ones he already has which aren’t thermal
Helpful?
Good &Bad
No, I don't recommend this
They were supposed to be size 38waist 31leg but they were much too tight I couldn’t even do them up the other trousers were a perfect fit
Helpful?
Highly recommend for all ages!
Yes, I recommend this
Bought for my son, who works outside throughout the night. With the recent dip in temperatures he was really suffering with the cold. They have made a huge difference to how he feels and he is planning on buying more. . Very comfortable and keep him warm.
Helpful?
Warm and comfy
Bought for my husband, he loves them. They are quite thick, but not too thick to fit perfectly under clothes. Definitely would buy again.
Helpful?
Amazing !
Yes, I recommend this
Excellent for the cold weather but it has to be cold to be comfortable
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Helps to keep the heating off!
Yes, I recommend this
Significantly warmer than the medium version so battles with my husband about the heating are less when he wears these ones! Soft and comfortable for him too.
Helpful?
Comfortable
Comfortable and warm. Good size and fits well under trousers.
Helpful?
Keep warm
Yes, I recommend this
Very light to wear plus very warm and cosy to wear.
Helpful?
Good buy
Yes, I recommend this
Nice soft material and good fit lovely soft elastic to waist band and lovely and warm
Helpful?
Warm
Yes, I recommend this
Bought for my husband for golfing in the cold weather and he loves them so much he’s worn them when it’s been really cold too. Super comfy and lightweight but keep his body at the right temperature.
Helpful?
Great quality
Yes, I recommend this
Bought this as a gift for someone and they are very happy with the quality and warmth of the material. I think it is great value for the price.
Helpful?
Nice and warm
Yes, I recommend this
Good quality and very warm. No seams in the “wrong” places to chaff. The body comes a little short so can cause cold patches around the lower back area. A longer top covers this so not that bad.
Helpful?
Warm and comfy
Yes, I recommend this
Bought for my husband. He has some by another make but rates these as being warmer.
Helpful?
Lovely and warm
Yes, I recommend this
Great product, lovely and warm and good price - happy husband!
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Does what it says fits well true to size
Yes, I recommend this
Buy this product for my son in law for his job he tells me they keep him warm on site
Helpful?
Good.
Yes, I recommend this
Neede in this cold weather. With the wool content.
Helpful?
Do keep you warm.
Yes, I recommend this
Definitely keep you warm,but pricey in my opinion.
Helpful?
So Warm!
These thermals are so soft and warm. I buy a pair of thermals every year and am never disappointed! Love them..
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