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Men’s Thermal Functional Underwear

£49.95 £84.95
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Stay warm, comfortable, and active during cold days with this men’s thermal functional underwear. Engineered for performance and everyday ease, it features moisture-wicking fabric, snug seams, and warming insulation—ideal as a base layer for winter activities, outdoor work, or cozy indoor wear.

✔ Lightweight thermal fabric retains body heat without bulk
✔ Moisture-wicking material keeps skin dry during movement
✔ Flatlock seams reduce chafing for long-wear comfort
✔ Stretchy knit ensures freedom of movement and flexibility
✔ Odour-resistant technology helps maintain freshness

Details:

  • Material: Synthetic blend (e.g., polyester/spandex) or merino wool options
  • Color: Neutral shades like black, grey, or navy
  • Fit: Slim, close-to-skin fit but not restrictive
  • Waistband: Elastic for secure fit and easy layering
  • Season: Ideal for autumn and winter base layers
  • Care Instructions: Machine wash cold (gentle); hang or tumble dry low; avoid fabric softener

Why choose this thermal functional underwear?
Men love its effective warmth, moisture control, and super-comfy fit perfect for hiking, skiing, commuting, or relaxing at home in chilly weather.

Verified
I was a bit skeptical at first,

but Mysa London really exceeded my expectations. Fast delivery and top-quality products.

Olivia Bennett
Verified
Fast delivery and top quality.

Fast delivery and top quality.

Emma Reynolds
Verified
Offers exactly what I was looking for

Mysa London offers exactly what I was looking for — and at a great price. Definitely recommended!"

Sophia Hayes.
Verified
I'll definitely be shopping here again.

Nice products at a great price. I'll definitely be shopping here again.

Emily Coleman
Verified
So well organized and with a lot of attention to detail.

The packaging of my order was such a pleasant surprise! So neat and with great attention to detail. It made the unboxing experience even more fun!

Andrew Price
Verified
The customer service at Mysa London is fantastic!

The customer service at Mysa London is fantastic! They responded quickly and helped me excellently when I had a question about my order.

Ellie Walsh
Verified
The prices are really competitive, especially for the quality you get. I haven't been able to find such a good deal anywhere else.

The prices are really competitive, especially for the quality you get. I haven't been able to find such a good deal anywhere else.

Ruby
Verified
Love it

Love it

Claudia
Verified
This is the third time I’ve bought from them. I’m a bit obsessed with my new dress 😌.

This is the third time I’ve bought from them. I’m a bit obsessed with my new dress😌.

Isabel Holmes
Rated 4.7 / 5 based on 17013 reviews. Showing 4 & 5 star reviews.

30-Day Return Policy

Mysa London offers a 30-day cooling-off period. This gives you plenty of time to return your item.

Free Shipping today only

Due to our clearance sale, we’re offering free delivery on all orders today.

Since 2010

Proud to have made hundreds of thousands of people happy with our unique products.

Clearance Sale

Mysa London

We want to thank all our customers for 15 amazing years.

Due to personal circumstances, we sadly have to close our store.

That’s why we’re hosting our biggest sale ever to sell off our final stock.

We hope there’s still something that can make you happy!