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M&S Collection

Heatgen™ Maximum Thermal Long Sleeve Top

£28

ColourBlack

Customers say:

Fits true to size()
Size

Customers say:

Fits true to size()
Also available in: Long Johns and Vest
Free standard delivery on orders over £60

Product code: T147404W

About this style

This maximum warmth thermal vest is ideal for wearing in extremely cold conditions. Designed in a regular cut with stretchy ribbed neck and cuffs for an improved fit. Long sleeves and a ribbed texture with super soft seams for ultimate comfort. Our clever Heatgen™ technology uses an innovative fibre blend, helping your body to generate and retain heat so you can stay warm when the weather gets chilly.

Maximum warmth for keeping cosy in colder climates.

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

Standard

Free over £60, or £3.99

Nominated Day

£5.99. Order by 7pm for delivery tomorrow

Collection

Collect from store

Order before 9pm for free next-day in-store collection

Returns

UK returns

Free

Exclusions apply

Full delivery and collection informationOur returns policy

Reviews (836)

4.8

71% Recommended this product

Mentions
13 March 2025Steve long arms
Verified Purchase

It fits!

Yes, I recommend this

Comfortable long sleeve that fits my long arms, unlike so many others. My main reason for choice. Also like the quality.

Reviewer Ratings

Quality

Excellent

Value for Money

Good

Style

Good

How did it fit?

True to size

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Good

Style

Good

How did it fit?

True to size

12 March 2025Jack Frost
Verified Purchase

Fabulous top

Yes, I recommend this

Perfect in size comfort and more importantly warmth. Have purchased more since Many thanks M&S Highly recommended

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Excellent

How did it fit?

True to size

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Excellent

How did it fit?

True to size

12 March 2025alphafemale
Verified Purchase

Just what I wanted !

Yes, I recommend this

I was looking for a really warm vest because I feel the cold very much. However, as a tall woman I could not find a woman's vest with long enough sleeves or back. So I bought a men's Heatgen vest and it is just what I wanted.

Reviewer Ratings

Quality

Excellent

Value for Money

Good

Style

Good

How did it fit?

True to size

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Good

Style

Good

How did it fit?

True to size

12 March 2025FreddyNoel
Verified Purchase

Nice but costly!

No, I don't recommend this

It is comfortable, warm, and soft, although it is quite expensive.

Helpful?

10 March 2025BigShiverer
Verified Purchase

Toasty

Really warm and long so no bare waist. Men’s version has wool, sadly, lady’s not

Helpful?

09 March 2025Gremlin2
Verified Purchase

Highly recommended

Really warm on cold winter days, good quality and highly recommend

Helpful?

09 March 2025Annie2501
Verified Purchase

Great quality

Yes, I recommend this

Lovely sift, not itchy thermal top. Really good value for money. Washes very well

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

08 March 2025Fabrice576
Verified Purchase

Great product

Yes, I recommend this

Great all round, very warm and soft, no issues with washing, true to size I wish I’d known about it sooner Great value

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Excellent

How did it fit?

True to size

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Excellent

How did it fit?

True to size

02 March 2025Holly 95
Verified Purchase

Good quality

Yes, I recommend this

Good fit nice and warm easy to wash and dry. Have purchased some more.

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

How did it fit?

True to size

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

How did it fit?

True to size

02 March 2025Geru
Verified Purchase

Snug and warm

Yes, I recommend this

Good quality nice level of warmth. Neck line doesn't look like underwear so can be worn as a t-shirt alternative.

Reviewer Ratings

Quality

Excellent

Value for Money

Good

Style

Good

How did it fit?

True to size

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Good

Style

Good

How did it fit?

True to size

01 March 2025Jax32
Verified Purchase

Excellent Thermals

Yes, I recommend this

Please refer to my review,regarding the heatgen "maximum thermal leggings " under 'jax32' My review covered both bottoms and tops,so not to have to repeat myself. Thankyou

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Excellent

How did it fit?

True to size

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Excellent

How did it fit?

True to size

27 February 2025Camlet
Verified Purchase

Thermal vest

Yes, I recommend this

If this product is dark green then it’s excellent and bought before

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Excellent

How did it fit?

True to size

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Excellent

How did it fit?

True to size

23 February 2025Dinga52
Verified Purchase

Warm comfy vest

My wife said she has never been so warm and cosy in her thermal vest . She liked it so much she now has it in four different colours.

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Excellent

How did it fit?

True to size

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Excellent

How did it fit?

True to size

23 February 2025Hogwash8
Verified Purchase

Really warm and comfortable!

Yes, I recommend this

These were much better than the women’s ones I’ve bought before and great value for money.

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Good

How did it fit?

True to size

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Good

How did it fit?

True to size

22 February 20251Tishyanne
Verified Purchase

Excellent value

Yes, I recommend this

My husband loves this, he had been complaining of the cold for weeks but is now warm and comfortable

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Good

How did it fit?

True to size

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Good

How did it fit?

True to size

21 February 2025JustJoe90
Verified Purchase

Nordic quality

Yes, I recommend this

Recently visited Finland where temperatures were below -9*c and this top was so comfortable and kept me so warm throughout, I didn’t feel the cold once! Would definitely recommend. Great quality

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Excellent

How did it fit?

True to size

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Excellent

How did it fit?

True to size

19 February 2025
Verified Purchase

Best thermal underwear

Yes, I recommend this

Purchased for my husband as has blood problems and feels the cold.

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Good

How did it fit?

True to size

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Good

How did it fit?

True to size

17 February 2025Joy1961
Verified Purchase

Keeps you warm and toasty!

Yes, I recommend this

I bought it for my partner for Valentine's Day as he really feels the cold. He loved it.

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Good

How did it fit?

True to size

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Good

How did it fit?

True to size

16 February 2025Happy charlie boy
Verified Purchase

Touchy smiley

Yes, I recommend this

These are just perfect as husband really poorly and needs to keep warm plus soft to touch

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Good

How did it fit?

True to size

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Style

Good

How did it fit?

True to size

12 February 2025Anne Not H
Verified Purchase

Comfortable & Comforting

Yes, I recommend this

Needed to keep me warm. Very Effective. Washable can be tumble dried

Reviewer Ratings

Quality

Excellent

Value for Money

Good

How did it fit?

True to size

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Good

How did it fit?

True to size

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