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 |
Emily (verified buyer)
I’ve used this thermal set throughout the winter, and it’s been a lifesaver. Soft, comfortable, and keeps me warm even on the chilliest days. Highly recommend for staying cozy!
Alex (verified buyer)
Very warm and comfortable.
Sophia (verified buyer)
Wearing this set during my morning jogs has been a game-changer. The material is stretchy and breathable, yet incredibly warm. It fits like a glove and looks stylish enough to wear indoors as well.
Alexis (verified buyer)
Amazing warmth and comfort. Perfect for winter sports!
Jordan (verified buyer)
Good quality but wish it came in more colors.
Beth (verified buyer)
Warm, comfortable, and fits perfectly. Highly recommend for anyone needing reliable thermal wear during chilly months. The fabric feels soft against the skin and holds up well after washing. Great value for the price!
Samantha (verified buyer)
Keeps me super warm and comfortable during cold days. The material is soft, making it easy to wear under regular clothes or as pajamas. It washes well without losing its shape or thickness. Highly recommend this set!
Alex (verified buyer)
Warm and comfy but could be stretchier.
Emily (verified buyer)
The thermal set is incredibly warm and comfortable. It is perfect for chilly weather and fits perfectly under clothes without adding bulk. I am very impressed with the quality and would highly recommend it to anyone needing reliable winter wear.
Sarah (verified buyer)
Keeps me warm!