Description
Stay warm on chilly days
The Ortorex thermal underwear provides excellent thermal insulation. It‘ll trap your body heat close to the skin, keeping you warm.
Non-restrictive
The used materials are known for high elasticity. You'll move freely and comfortably without feeling restricted.


Breathable
Our thermal underwear helps to regulate body temperature by wicking away moisture. This will prevent sweat build-up and the risk of catching a cold.
Lightweight
You won’t feel bulky wearing warm clothes over this underwear.

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 | |
M | 57 | 22.4 | 72 | 28.3 | 53 | 20.9 |
L | 59 | 23.2 | 76 | 29.9 | 54 | 21.3 |
XL | 61 | 24 | 80 | 31.5 | 55 | 21.7 |
2XL | 63 | 24.8 | 84 | 33.1 | 56 | 22 |
3XL | 65 | 25.6 | 88 | 34.6 | 57 | 22.4 |

- 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 | BUST | SLEEVE | |||
---|---|---|---|---|---|---|
cm | inch | cm | inch | cm | inch | |
M | 87 | 34.3 | 60 | 23.6 | 74 | 29.1 |
L | 89 | 35 | 64 | 25.2 | 78 | 30.7 |
XL | 91 | 35.8 | 68 | 26.8 | 82 | 32.3 |
2XL | 93 | 36.6 | 72 | 28.3 | 86 | 33.9 |
3XL | 95 | 37.4 | 76 | 29.9 | 90 | 35.4 |
Emma (verified buyer)
Perfect for cold days. Love the fit.
Ava (verified buyer)
Highly satisfied! Durable, comfy, and stylish for layering.
Mia (verified buyer)
Such a cozy set to wear in winter, great material.
Sophia (verified buyer)
This thermal set is amazing! Keeps me warm without feeling bulky. The fabric is soft on the skin, and it’s versatile enough to lounge in or wear outside as a base layer.
Laura (verified buyer)
Very warm, but the sizing was a bit off for me.
Nina (verified buyer)
Soft material and fits perfectly.
Emily (verified buyer)
Incredibly warm and comfortable! Perfect for winter sports.
Emily (verified buyer)
Super comfortable and warm, perfect for winter sports!
Sophia (verified buyer)
Love this set! It fits perfectly and keeps me cozy during chilly nights.
Jessica (verified buyer)
Keeps me warm, but the fit could be more snug. Still happy with the purchase!