Update your browser for a better shopping experience!

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

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

£25

Colour

Size

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

Reviews (713)

4.7

73% Recommended this product

Mentions
18 May 2026NHEssex
Verified Purchase

Heatgen Thermal Vests

Yes, I recommend this

Purchased a pack of the Heatgen vests in Cedar online. Really nice colour and the vests are good at keeping you warm on all but the coldest days

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

13 May 2026Paul572
Verified Purchase

It is a thermal vest!

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
Verified Purchase

Thermal tops

Thermal tops are good quality and soft on the skin

Reviewer Ratings

Comfort

Good

Helpful?

Reviewer Ratings

Comfort

Good

09 May 2026Ann Ruth J
Verified Purchase

Warm and comfy but not bulky

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
Verified Purchase

Good Product Again

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
Verified Purchase

Great colour

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
Verified Purchase

Top Quality!

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
Verified Purchase

A T shirt that fits

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
Verified Purchase

A quality product at a reasonable price point.

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
Verified Purchase

perfect for their needs

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
Verified Purchase

Comfy and soft

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
Verified Purchase

Quality warm vests

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
Verified Purchase

As you would expect from M&S

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
Verified Purchase

Good quality

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
Verified Purchase

Birthday present for a 92 year old gentleman.

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
Verified Purchase

Just what the winter ordered to keep warm

Originally posted on marksandspencer.ie

Yes, I recommend this

Made from really Beautiful and soft material a comfortable fit

Helpful?

27 February 2026charles 7
Verified Purchase

impressive

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

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

27 February 2026DMBLBITAnne
Verified Purchase

Great Passed the Husband Test

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
Verified Purchase

Heatgen Thermal

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
Verified Purchase

A good purchase.

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

1 of 119