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 policyReviews (610)
Warm
Yes, I recommend this
Nice and warmer purchased to wear while riding motorcycle although they were on the pricey side
Helpful?
Great quality and comfortable.
Great quality and very comfortable. Ideal for winter weather
Helpful?
Good quality
Good quality, very comfortable/fit would recommend.
Helpful?
Keeps you warm
Yes, I recommend this
Comfortable and noticeably warmer than the "warm" ones.
Helpful?
Everything I expect from M&S
Yes, I recommend this
Great quality and style and a price you would expect
Helpful?
Very useful buy
Yes, I recommend this
Warm and comfortable for longer periods outdoors in cooler weather.
Helpful?
Would recommend
Yes, I recommend this
Good quality, wash well. Bought these for my husband as visiting -7 degree country and they performed well. Kept him very warm. Good value compared with those found in outdoor/hiking shops.
Helpful?
Reliable
Yes, I recommend this
I’ve been satisfactorily using M&S thermal garments for several years. Recently bought these Heatgen Max which are really good, great comfort, great fit, very effective
Helpful?
Toasty
Yes, I recommend this
These bottoms keep you really toasty Very soft you don't even know your wearing them. Would highly recommend this item for the winter days.
Helpful?
Amazing Quality
Yes, I recommend this
First time I’ve purchased Long Johns, preparing for winter golf! They are fantastic and really do the job. I would also say that I was surprised that the quality of the garment is so good.
Helpful?
A big hit in USA!!!
Yes, I recommend this
Unable to write proper review as bought these for Xmas presi for elderly brother in USA! He requested them especially as they are such amazing value! ( He buys them every winter!!).Can’t get anything of this quality & this price in USA he says!
Helpful?
A winter staple. Ideal Xmas present
Yes, I recommend this
I buy these every year for a friend. So warm and where so well
Helpful?
Must have winter basic.
Yes, I recommend this
Great fit and sure to be perfect for the winter season.
Helpful?
Thermals
Yes, I recommend this
Look and feel very good. Much thicker than other M&S thermals I have. Bought ready for next winter, so not worn them yet.
Helpful?
Very good material
Yes, I recommend this
The material is quality and very good not hitching. I love it.
Helpful?
Very good product.
Yes, I recommend this
Very good product. My husband feels the cold terribly and these are just the job for keeping his legs warm.
Helpful?
Great quality
Yes, I recommend this
Great thermals I use them often especially on my bike
Helpful?
Amazing Long Johns
Yes, I recommend this
Brilliant warm long johns. Partner a builder and they kept him warm under his work jeans
Helpful?
Excellent value and warmth
Yes, I recommend this
Everyone who I bought these for was really pleased!
Helpful?
Very warm
Yes, I recommend this
Bought for my husband who is a diver and le loves them
Helpful?
1 of 102