Description
Your secret weapon against the cold
Stay cosy on chilly days with the Ortorex thermal underwear. It traps heat close to your body to provide extra warmth. This set is perfect for outdoor sports like skiing and hiking or daily use. Its soft, comfortable lining guarantees a pleasant wearing experience.
Elastic
Our thermal underwear allows a full range of motion, perfect for any activity. You'll move freely and comfortably without feeling restricted.


Breathable
The Ortorex thermal underwear helps regulate body temperature by wicking away moisture. This will prevent sweat build-up and the risk of catching a cold.
Durable
This thermal set is resistant to wear and tear. It will retain its original characteristics even after frequent washes. You can expect it to last through many years.

Size guide

- TO MEASURE YOURSELF:
- 1. Stand straight with your arms hanging naturally by your sides.
- 2. Start a measuring tape at the shoulder and extend it down to the desired hemline.
- 3. Wrap the measuring tape around the thinnest part of your waist and the fullest part of your bust.
- 4. Stretch the measuring tape across your back from one shoulder to the other.
SIZE | LENGTH | BUST | ||
---|---|---|---|---|
cm | inch | cm | inch | |
S | 60 | 23.62 | 82 | 32.28 |
M | 62 | 24.41 | 86 | 33.86 |
L | 64 | 25.2 | 90 | 35.43 |
XL | 66 | 25.98 | 94 | 37.01 |
XXL | 68 | 26.77 | 98 | 38.58 |
SIZE | WAIST | SHOULDERS | ||
---|---|---|---|---|
cm | inch | cm | inch | |
S | 74 | 29.13 | 35.5 | 13.98 |
M | 78 | 30.71 | 36.5 | 14.37 |
L | 82 | 32.28 | 37.5 | 14.76 |
XL | 86 | 33.86 | 38.5 | 15.16 |
XXL | 92 | 36.22 | 40 | 15.75 |

- 1. Start the measuring tape at the waist and extend it down to the ankle.
- 2. Wrap the measuring tape around the fullest part of your hips.
SIZE | LENGTH | HIPS | ||
---|---|---|---|---|
cm | inch | cm | inch | |
S | 86 | 33.86 | 82 | 32.28 |
M | 88 | 34.65 | 86 | 33.86 |
L | 90 | 35.43 | 90 | 35.43 |
XL | 92 | 36.22 | 94 | 37.01 |
XXL | 94 | 37.01 | 98 | 38.58 |
Emily P. (verified buyer)
Love this thermal set! It’s soft and super warm. Doesn’t ride up or bunch under other clothes. Perfect for layering during winter sports. I have several pairs now!
Olivia H. (verified buyer)
Impressed with the quality and fit of this thermal underwear. It kept me toasty during our snow trip and did not restrict movement.
Danielle R. (verified buyer)
A game-changer for cold days! This thermal set is thin enough to wear under everything yet very warm.
Jessica L. (verified buyer)
This thermal set is perfect for cold weather. It keeps me warm without being bulky. Love the soft material and snug fit.
Rachel S. (verified buyer)
Fantastic quality and provides excellent warmth. I wear it under my clothes and feel comfortable all day long. The fabric is soft against my skin. Great purchase for the winter!
Karen D. (verified buyer)
The thermal underwear set is soft and keeps me warm. However, the leggings are a bit tight around the waist.
Amanda T. (verified buyer)
Warm and cosy but a bit snug. Would have preferred a slightly looser fit. However, it’s ideal for layering under clothes without feeling bulky.
Vanessa G. (verified buyer)
Absolutely love this set! It fits well and keeps me warm in harsh weather. The fabric feels good on the skin, and it’s comfortable for long wear. Highly recommend it!
Kelly J. (verified buyer)
This set is exactly what I needed for chilly mornings. Comfortable and stretches nicely. Doesn’t lose shape after washing. Great for everyday wear in winter!
Laura M. (verified buyer)
Keeps me warm even on the coldest days. The fabric is thick yet breathable. Perfect for outdoor activities during winter.