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2pk Heatgen™ Thermal Strappy Vests

Product code: T329207S

About this style

These thermal vests are made with Heatgen™ technology, using innovative fibres to retain your body heat so you can stay warm on colder days. They have a timeless strappy design, making them ideal for layering. Added stretch provides that extra bit of comfort. M&S Collection: versatile styles in modern shapes with unique and playful details.

M&S

2pk Heatgen™ Thermal Strappy Vests

£16

Colour

Customers say:

Fits true to size()
Band Size

Free standard delivery over £60

Reviews (48)

4.5

69% Recommended this product

Mentions
10 March 2026Newproudgranma
Verified Purchase

So soft and comfortable

Yes, I recommend this

Very soft and comfortable. Kept me warm and felt so soft against my skin. Washed really well and kept its shape.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

02 March 2026Datar
Verified Purchase

Lightweight Extra Layer

Yes, I recommend this

Bought to replace ones I had years ago. Prefer the lightweight heatgen as not too bulky under clothes. Adjustable straps, 14 ideal size fitted for 36f bra size. Soft material, only wish I could have them in white, as I had to buy the medium warmth in white on line, and it’s rather thick fabric also the straps are not adjustable . Keeping thermals for the British heatwave.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

23 February 2026JCJCJC2025
Verified Purchase

Disappointed. Get one single

No, I don't recommend this

V thin. They are than the single one I had bought although the product content weirdly is exactly exactly the same. Really annoying.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

23 February 2026P123k
Verified Purchase

Ok but flimsy

Yes, I recommend this

Warm but very thin material but do the job could wear without a jumper

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

17 February 2026Tigtigpo
Verified Purchase

To short

No, I don't recommend this

Nice fabric true to size but too short to stay tucked in. So you end up with a chilly gap.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

11 February 2026Legginglady
Verified Purchase

Thermal vest

Yes, I recommend this

Material is lovely and great under tips and jumpers

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

03 February 2026Joyll
Verified Purchase

Excellent Value and perfect fit

Yes, I recommend this

Excellent value and perfect fit. The adjustable straps are really good for the fit.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

03 February 2026anonn12
Verified Purchase

Warm comfy vest

Yes, I recommend this

Lovely soft material and even though it has thin straps, it keeps you nice & warm. Great under clothes and a great price when bought as a pair

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

01 February 2026Amy9
Verified Purchase

Just ideal!

Yes, I recommend this

This is quite warm and ideal under all tops / dresses- doesn't show on any neckline

Helpful?

01 February 2026twooutofthree
Verified Purchase

Ok

No, I don't recommend this

The last ones I bought had a warmer lining. These are just cotton camis. A tiny bit short, I think.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

30 January 2026SueBra
Verified Purchase

A bit thin and stretchy

No, I don't recommend this

Quite thin and stretchy, does not feel as warm as the normal vests, not sure I would buy again

Reviewer Ratings

How did it fit?

A bit large

Helpful?

Reviewer Ratings

How did it fit?

A bit large

30 January 2026Soraya B
Verified Purchase

Lovely strappy tops

Yes, I recommend this

Lovely scrappy tops to wear under a top or jumper. Quite thin but do the job . Nice and comfy

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

28 January 2026Morris
Verified Purchase

Not Well Fitted and Quite Thin Fabric

Originally posted on marksandspencer.ie

I've bought several strappy vests from M&S over the years. They are usually well fitted to the body, although maybe sometimes too short. These vests are actually quite loose on the body, not well-fitted at all, and the bottoms of them are really quite floppy. I also can't figure out why they're called "Heatgen" because they're rather thin. Worried they're going to loose what shape they have very quickly.

Helpful?

21 January 2026Colette71
Verified Purchase

Good quality vests

Yes, I recommend this

This pack of vests I bought are a good fit and feel really comfortable on also they are warm I will definitely buy more

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

20 January 2026Vat 94
Verified Purchase

ThermalT strap vests

Yes, I recommend this

Love these thermal vests soo cumfy. Would recomend great fit.

Reviewer Ratings

How did it fit?

A bit small

Helpful?

Reviewer Ratings

How did it fit?

A bit small

18 January 2026Liinaa
Verified Purchase

Soft & comfy

Yes, I recommend this

I only buy undergarments from M&S due to sensitivity of my skin, and M&S always delivers on excellent quality with softness and comfort. Love these strappy vests!

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

17 January 2026Pollyp2
Verified Purchase

NICE, COMFORTABLE VESTS

Yes, I recommend this

Bought as an extra layer for the winter. Really nice and comfortable to wear and doubles up as an under vests on low neck tops. Really pleased for the price

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

06 January 2026Marblearts95
Verified Purchase

Good quality, do what they say

Yes, I recommend this

Warm, they fit well and look good - just what I was looking for

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

05 January 2026cornus
Verified Purchase

Disappointing

Much thinner than expected, don't know if it will actually work as thermal. Good that it has the adjustable straps

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

27 December 2025Crackie
Verified Purchase

Good Quality Vests

No, I don't recommend this

Just what I needed for a gift. They are good quality vests.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

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