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2 Pack Heatgen™ Light Thermal Short Sleeve Tops

Product code: T149481

About this style

These lightweight thermal short sleeve tops offer warmth without bulk, using innovative Heatgen™ technology that keeps you warm when the weather gets chilly. The regular fit and crew neck design create a comfortable base layer. Comfort comes from soft fabrics with 4% Lycra® for 360-degree stretch, super soft seams and heat-sealed labels for a gentle feel against your skin. Clean lines make for easy layering. This pack includes two tops. M&S Collection: Easy-to-wear wardrobe staples that combine classic and contemporary styles.

Light warmth for cooler conditions and everyday comfort.

Details & care

Style

Regular fit

Features

Heatgen™ technology

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

Composition

38% acrylic, 29% cotton, 29% viscose and 4% elastane lycra® (exclusive of trimmings), Ribbing - 39% acrylic, 30% cotton, 29% viscose and 2% elastane

Care

Wash at 40°C

Do not bleach

Tumble dry low temperature

Iron at medium temperature

Do not dry clean

M&S

2 Pack Heatgen™ Light Thermal Short Sleeve Tops

€33

Colour

Size

Also available in: Long Johns and Long Sleeve
Free standard delivery over €75

Reviews (711)

4.7

73% Recommended this product

Mentions
13 May 2026Paul572

It is a thermal vest!

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

What can be said about a thermal vest. Not much. It fits well and does the job. Enough said.

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

10 May 2026IY007

Thermal tops

Originally posted on marksandspencer.com (UK)

Thermal tops are good quality and soft on the skin

Reviewer Ratings

Comfort

Good

Helpful?

Reviewer Ratings

Comfort

Good

09 May 2026Ann Ruth J

Warm and comfy but not bulky

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

My husband love these. He wears them under his rugby gear when he is up watching Prem rugby at Sandy park. They keep him warm without being bulky

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

04 May 2026MandS Veteran

Good Product Again

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

Another good product from M&S excellent material and fits well.

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

25 April 2026Cornishpisky1

Great colour

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

Purchased for my elderly father who feels the cold. These lighter weight ones will be great during the British ‘Summer’.

Helpful?

08 April 2026Jambos1874

Top Quality!

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

These vests are comfortable to wear and do help to keep your upper body warm. For winter wear I recommend them!

Helpful?

25 March 2026Mardock

A T shirt that fits

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

At last a T shirt that fits a tall and large man. Its been difficult to find t sirts that are long enough to fit - most only just reach my waist band

Reviewer Ratings

Comfort

Good

Helpful?

Reviewer Ratings

Comfort

Good

12 March 2026Dave the 2nd

A quality product at a reasonable price point.

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

Comfortable to wear and a practical product. My first choice as a base layer.

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

12 March 2026c0nc0rde4

perfect for their needs

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

I have purchased these items many time over the past 7 years, have always found them perfect for their needs. very comfortable

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

11 March 2026Lisa2021

Comfy and soft

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

Beautiful soft fabric and they've washed really well too

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

10 March 2026ClairW23

Quality warm vests

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

These were a gift and were very positively received - warm to wear in colder weather whilst working outdoors. Good quality vests.

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

10 March 2026Lovewaistcoats161

As you would expect from M&S

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

I bought these for my husband who is quite fussy and he loves the feel of them in his skin

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

09 March 2026Mr Wobin

Good quality

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

Slightly too small, but will be perfect as an undershirt.

Reviewer Ratings

Comfort

Good

Helpful?

Reviewer Ratings

Comfort

Good

06 March 2026Vespa16

Birthday present for a 92 year old gentleman.

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

Bought as a birthday present. Fit nicely. Right length

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

03 March 2026John martin

Just what the winter ordered to keep warm

Yes, I recommend this

Made from really Beautiful and soft material a comfortable fit

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

Helpful?

Reviewer Ratings

Quality

Excellent

Value for Money

Excellent

27 February 2026charles 7

impressive

Originally posted on marksandspencer.com (UK)

impressive- soft , very warm . Would look to buy again .

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

27 February 2026DMBLBITAnne

Great Passed the Husband Test

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

Good quality light weight thermal vest. Warm and cosy

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

24 February 2026Kdra

Heatgen Thermal

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

Lovely Product my son has worn these for a few years wash & dry really well

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

24 February 2026Wizas99

A good purchase.

Originally posted on marksandspencer.com (UK)

Yes, I recommend this

Good quality, choice of colour, choice of sleeves long or short, comfortable and they keep me warm, price good.

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

21 February 2026Mackers2

Comfortable.

Originally posted on marksandspencer.com (UK)

Very comfortable base layers ( not thermal vests ) that come a long way down.

Helpful?

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