Update your browser for a better shopping experience!

Get faster load times, stronger security and access to all features.

2pk Heatgen™ Thermal Built-up Shoulder Vest

Product code: T329214

About this style

These supersoft thermal vests are created with Heatgen™ technology, using your body to generate and retain heat for light warmth on cooler days. The fabric is lightweight yet insulating, with wide shoulder straps for added comfort. These vests come in a practical pack of two, providing the perfect layering option. M&S Collection: Easy-to-wear wardrobe staples that combine classic and contemporary styles.

M&S

2pk Heatgen™ Thermal Built-up Shoulder Vest

€20

Colour

Size

Free standard delivery over €75

Reviews (638)

4.7

71% Recommended this product

Mentions
10 March 2026Pinkdragonfly

Great warmth

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

Warm vests which can be worn under clothing in the winter for warmth, or as an outer vest with jeans or leggings.

Reviewer Ratings

How do you feel about the size?

A bit small

Helpful?

Reviewer Ratings

How do you feel about the size?

A bit small

08 March 2026Shopgirl79

Nice classic design

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

Bought this as a gift for my mum, she liked it, will probably buy more, classic design, nice fabric and fits well.

Reviewer Ratings

How do you feel about the size?

True to size

Helpful?

Reviewer Ratings

How do you feel about the size?

True to size

02 March 2026Shopper2

Addition layer

Yes, I recommend this

Surprising how the high shoulder/back keeps you really cosy

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

01 March 2026Szuan33

Fabulous longer length vest.

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

Love this vest, so warm and comfortable. The length is longer, which l prefer. The price is good too. I would love the choice of other colours available. M&S please consider this.

Reviewer Ratings

How do you feel about the size?

True to size

Helpful?

Reviewer Ratings

How do you feel about the size?

True to size

01 March 2026MarilynandMe

Thin and Poor Quality

Originally posted on marksandspencer.com (UK)

No, I don't recommend this

These vests have always been perfect for me, nice and warm, thick and cotton. They are certainly not the same quality now. They are very thin, feel more like polyester, not warm, very poor quality.

Helpful?

26 February 2026Berti 77

Recommend

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

Vest top material is fine but soft warm and a nice length. I’d recommend it to anyone.

Reviewer Ratings

How do you feel about the size?

True to size

Helpful?

Reviewer Ratings

How do you feel about the size?

True to size

26 February 2026SUPERTONE

Slim and silky but warm. Does the job.

Originally posted on marksandspencer.com (UK)

Bought for winter warmth. Nice vest and not bulky under tops. Would be even better if it had short sleeves.

Reviewer Ratings

How do you feel about the size?

True to size

Helpful?

Reviewer Ratings

How do you feel about the size?

True to size

26 February 2026Go doggin

Fab vests!

Originally posted on marksandspencer.com (UK)

Lovely lightweight but warm vests. They are a must for layering in the cold weather British weather!

Helpful?

25 February 2026Oife

Brill spring and autumn.

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

Silky and comfy. Started wearing now after the thicker ones in winter.

Reviewer Ratings

How do you feel about the size?

True to size

Helpful?

Reviewer Ratings

How do you feel about the size?

True to size

25 February 2026Linda139

Lovely and warm

Originally posted on marksandspencer.com (UK)

Good fit ,although quite long but does a great job of keeping me warm. Would recommend.

Helpful?

25 February 2026Comfy69

Great item

Originally posted on marksandspencer.com (UK)

Very pleased. A very good lightweight thermal layer. True to size.

Reviewer Ratings

How do you feel about the size?

Large

Helpful?

Reviewer Ratings

How do you feel about the size?

Large

23 February 2026Bambi123

Just right!!!!

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

Had read previous reviews and yes love these 'vests'.. the length is great and they are SO comfortable.

Reviewer Ratings

How do you feel about the size?

True to size

Helpful?

Reviewer Ratings

How do you feel about the size?

True to size

23 February 2026Julief114

Marvellous!

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

This is all I ever wanted from a vest - lightweight and warm. It’s such a pity you don’t do it in colours other black.

Reviewer Ratings

How do you feel about the size?

True to size

Helpful?

Reviewer Ratings

How do you feel about the size?

True to size

17 February 2026Spender 2

Cotton Rules

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

I haven’t worn this particular pack but always have worn cotton next to the body regardless of the weather.

Reviewer Ratings

How do you feel about the size?

True to size

Helpful?

Reviewer Ratings

How do you feel about the size?

True to size

17 February 2026Ann203

Very Warm

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

For my job I spend part of my time outside in the winter weather - ‘up north’ in England. I found these thermal vests very warm which surprised me as they are lightweight.

Reviewer Ratings

How do you feel about the size?

True to size

Helpful?

Reviewer Ratings

How do you feel about the size?

True to size

12 February 2026Jamesgran

Horrible!

Originally posted on marksandspencer.com (UK)

Some time ago I purchased a long sleeve cream Heatgen Thermal top and have loved it for its total warmth soft touch and thick comfortable quality. Therefore I thought if I bought a Heatgen sleeveless vest style product it would be the same quality. Unfortunately it was nothing like the previous top. The quality was like tissue paper and just as see through. It came in a two pack and in order to gain any warmth I had to put both on together. The bottom kept rolling up. My previous top I could wear on its own just as a lovely top but this product was so thin it could not be worn in that way. Why has M & S got this fixation with thin cheap fabrics ( same applies to its boat neck 3/4 sleeve T shirts - used to be lovely thick cotton and figure flattering now it thin stretchy cotton - yuk!

Reviewer Ratings

How do you feel about the size?

True to size

Helpful?

Reviewer Ratings

How do you feel about the size?

True to size

12 February 2026PB37

Poor service

Originally posted on marksandspencer.com (UK)

The quality of the product becomes irrelevant when M & S use a courier who are extremely unreliable in this area, who loses the parcel, fails to communicate and then when finally resolved M & S admit that whilst they have a customer service dept they DO NOT have a complaints procedure. The market is too volatile for M & S to take such a cavalier approach but this is their new business model which is not customer centric.

Helpful?

09 February 2026LMHallas

Great vests

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

Love these vests. They are so thin, but warm and therefore can be worn 'invisibly' under tops/shirts etc. I used to buy similar from Uniqlo but they don't make this style with the thicker straps anymore. I wish M&S would do this style in more colours, especially navy and white.

Reviewer Ratings

How do you feel about the size?

True to size

Helpful?

Reviewer Ratings

How do you feel about the size?

True to size

06 February 2026Nitrodot

Thermal Vests

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

These vests are a must have. They are really warm, soft and comfortable. Just like wearing a sleeveless t shirt but keeping you warm.

Reviewer Ratings

How do you feel about the size?

True to size

Helpful?

Reviewer Ratings

How do you feel about the size?

True to size

04 February 2026AileenR

Heathen thermal top

Originally posted on marksandspencer.com (UK)

These heatgen vests are a welcome warm layer to my wardrobe as well as looking fashionable under an oversized shirt.

Reviewer Ratings

How do you feel about the size?

True to size

Helpful?

Reviewer Ratings

How do you feel about the size?

True to size

1 of 107