Description
Beat the cold with ease
Don't let the chilly weather ruin your comfort. The Ortorex thermal underwear will efficiently trap your body heat, keeping you warm.
Moisture-wicking
The fabric will draw sweat away from your skin, helping you stay dry and comfortable. This will prevent the risk of catching a cold.


Elastic
Our thermal underwear allows a full range of motion, perfect for any activity. You'll move freely and comfortably without feeling restricted.
Lightweight
You won't even notice you're wearing it.

Size guide

- To measure yourself:
- 1. Stand straight with your arms hanging naturally by your sides.
- 2. Wrap the measuring tape around the fullest part of your chest.
- 3. Start the measuring tape at the highest point of the shoulder and extend it down to the waist.
- 4. Place the measuring tape at the point where the sleeve begins and extend it down to the wrist.
Size | Length | Bust | Sleeve | |||
---|---|---|---|---|---|---|
cm | inch | cm | inch | cm | inch | |
L | 65 | 25.6 | 84 | 33.1 | 58 | 22.8 |
XL | 67 | 26.4 | 88 | 34.6 | 59.5 | 23.4 |
2XL | 69 | 27.2 | 92 | 36.2 | 61 | 24 |
3XL | 70 | 27.6 | 96 | 37.8 | 62.5 | 24.6 |

- 1. Wrap the measuring tape around your waist and the fullest part of your hips.
- 2. Start the measuring tape at the top of the pant line and extend it down to the ankle.
Size | Length | Waist | Hips | |||
---|---|---|---|---|---|---|
cm | inch | cm | inch | cm | inch | |
L | 97 | 38.2 | 78 | 30.7 | 88 | 34.6 |
XL | 99 | 38.9 | 82 | 32.3 | 92 | 36.2 |
2XL | 101 | 39.8 | 86 | 33.9 | 96 | 37.8 |
3XL | 103 | 40.6 | 90 | 35.4 | 100 | 39.4 |
AmeliaR (verified buyer)
Perfect thermal wear. Fits well, very comfortable!
JohnD (verified buyer)
Keeps me super warm during cold days. Great!
Nate89 (verified buyer)
Best thermal wear I’ve owned.
John D. (verified buyer)
Super warm and comfy!
Alex T. (verified buyer)
Excellent quality! Keeps me warm all day.
Sam W. (verified buyer)
Ideal for harsh weather.
Peter K. (verified buyer)
Perfect fit and very comfortable!
Michael B. (verified buyer)
These thermals are a game changer for winter outdoor sports. They offer great insulation without being bulky.
David L. (verified buyer)
The thermal set is fantastic for keeping warm during cold weather. The material is soft against the skin and doesn’t restrict movement.
J****h (verified buyer)
Perfect fit, good fabric. Easy to put on and it keeps you warm in chilly weather. Quite comfortable. I’m very happy with my purchase, thanks!