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 |
Julia (verified buyer)
Very good quality. Keeps me warm, but the fit could be better for all body types.
Megan (verified buyer)
This thermal set has been an absolute lifesaver during chilly days. It’s incredibly soft and keeps the warmth in without feeling bulky. I’ve worn it on its own indoors and as a base layer outside, both with great success. A must-have for winter!
Anna (verified buyer)
Warm and comfy! Perfect for cold winters!
Emily (verified buyer)
Very cozy, but a bit tight. Still keeps me warm.
Anna (verified buyer)
I love this thermal set! It fits perfectly and keeps me warm even in the coldest weather. The material is soft, and I appreciate that it doesn’t feel bulky under other clothes. Great purchase!
Jessica (verified buyer)
Super warm and comfy! Perfect for winter wear. Highly recommend.
Lily C. (verified buyer)
I’m really pleased with this purchase. Great for layering under winter clothes and cosy enough to wear on its own at home.
Brenda C. (verified buyer)
Very nice thermal set. It keeps me warm, though I wish the top were a little longer. It fits nicely under clothes, and the material feels good.
Catherine K. (verified buyer)
Loved how warm this set kept me during our ski trip. Breathable yet insulating! Didn’t feel bulky at all.
Anna B. (verified buyer)
The thermal set is warm, but the top is a little short for my torso.