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M&S

Heatgen™ Maximum Thermal Fleece Top

£22

Sorry, this item is no longer available

Product code: T329224

About this style

Conquer the cold with this long-sleeved thermal top. It's made from luxuriously soft fleece fabric, with our Heatgen™ technology ensuring superior insulation even on the chilliest of days. This style is complete with added stretch for a comfortable fit that moves with you. M&S Collection: versatile styles in modern shapes with unique and playful details.

Details & care

Item details

Model Height: 5ft10"/178cm

Model is wearing size: 12, 14

Style

Added Stretch

Features

Heatgen™ technology

lightweight and supersoft, designed to keep you warm when the weather gets chilly

Composition

55% acrylic, 37% viscose and 8% elastane (exclusive of trimmings)

Care

Wash at 40°C

Do not bleach

Do not tumble dry

Do not iron

Do not dry clean

Delivery, collection & returns

Christmas delivery and collection last-order dates

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 policy

Reviews (882)

4.8

77% Recommended this product

Mentions
21 December 2025Komalnhs
Verified Purchase

Would not be buying again but warm

No, I don't recommend this

It’s definitely warm, but they are leaving bobbling and pilling, and it’s my 2nd or 3rd week wearing them. I’m an NHS doctor and wear them daily under scrubs, and it doesn’t look good (price is high and it’s M&S). So, I was expecting more, especially because I had very good experiences with their previous thermals - I would not buy again.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

21 December 2025Marty Boy
Verified Purchase

Super Warm Top

Yes, I recommend this

Love these tops in the cold weather when working from home and I'm too tight to put the heating on! Really cozy .. great value for money.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

21 December 2025Weasel
Verified Purchase

Very warm and cosy

Yes, I recommend this

This top is soooooo warm and cosy. I bought in cream and looks great to wear on its own or under a sweater or cardigan. Haven’t stopped wearing it!

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

21 December 2025Shop1984
Verified Purchase

Really warm top

Yes, I recommend this

Really warm and cosy top, lovely colour. Very tight so size up

Reviewer Ratings

How did it fit?

Small

Helpful?

Reviewer Ratings

How did it fit?

Small

21 December 2025finneyaddyborder
Verified Purchase

Snuggly

These vests are superb for me because I like to be warm. Good length and very snuggly.

Helpful?

21 December 2025DeMenezes
Verified Purchase

SIZE UP!!

Yes, I recommend this

A super warm thermal soft top in a pale taupe colour. Like other reviews, I agree the need to size up or the top is very tight fitting. I am a size 14/16 but purchased a size 20 which fits comfortably when you need to layer up in very cold weather.

Helpful?

20 December 2025Cat292
Verified Purchase

The best Heatgen top ever

My new favourite top for colder days. It's a good length (I'm 5ft10ins), with sleeves adequately long, and oh, sooo cosy.

Reviewer Ratings

How did it fit?

A bit large

Helpful?

Reviewer Ratings

How did it fit?

A bit large

20 December 2025penny135
Verified Purchase

heatgen products

Yes, I recommend this

I have purchased a number of heatgen products over the last two years. They are great at keeping you warm. two items purchased this year as presents for people who sit at their desks all day. I think they will appreciate them too. Very good value for money

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

20 December 2025SMW14
Verified Purchase

They are great

They are great and can be worn by itself but so warm and soft under a jumper.

Helpful?

20 December 2025Ruth65
Verified Purchase

Great

Yes, I recommend this

Simply lovely and warm. Great quality, perfect fit.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

19 December 2025krossings
Verified Purchase

Great product

Yes, I recommend this

Lovely warm thermal top in a brilliant colour, does what it should.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

19 December 2025Roll neck jumper
Verified Purchase

Warm thermal long sleeve top

Yes, I recommend this

Beautifully warm and soft, I’m 5’tall and it’s comes down to my hips.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

19 December 2025Jennifer Jane
Verified Purchase

Thick cosy tops.

Yes, I recommend this

I bought several of these tops in different colours to wear under blouses in the cold weather. They are a bit thicker than I expected, as I must previuosly had medium weight rather than maximum, but otherwise they do very well. They are snug fitting and cosy. Sleeves and body both a good lenght. None of the uncomfortable tickling you can get with some base layers.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

19 December 2025Ardolino
Verified Purchase

Brilliant stylish thermals

This is the second year that I have bought these thermals, the first year ive managed to get 'sought after' blue ones! I spend winter holidays in Switzerland, and these M&S ones are great for sunny but cold days, my family in Zurich all wear them, they also make great leisure and night wear. Good value for money, wash well, a winter must for this families wardrobe.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

18 December 2025Oldbirdy
Verified Purchase

Really happy

Yes, I recommend this

Really happy with this. Snug fit, feels lovely. Worn and Washed twice already.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

18 December 2025tass2527
Verified Purchase

Need a different size when it's this thermal densi

Would be good but the same size 16 that fitted me in the medium weight material is too tight when it is this maximum weight

Helpful?

18 December 2025Zil640152
Verified Purchase

Warm and good quality.

Yes, I recommend this

This vest is super warm and is long enough to tuck in and keep your butt warm too. I often wear it with just a gilet over as it doesn’t look like a vest.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

18 December 2025Finie
Verified Purchase

Great quality.

Yes, I recommend this

Soft ,warm ,comfortable ordered a 14 bit too neat next time order 16

Helpful?

18 December 2025a10jws
Verified Purchase

Lovely garment

Soft, snuggly and warm. Love it. Close fitting. Would recommend

Reviewer Ratings

How did it fit?

A bit small

Helpful?

Reviewer Ratings

How did it fit?

A bit small

17 December 2025Church hill
Verified Purchase

Fit and value

Yes, I recommend this

Great quality,shape,fit, and does what it says warm.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

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