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 |
Samantha Brown (verified buyer)
Warm and comfortable all day.
John Smith (verified buyer)
Excellent warmth and comfort, perfect for winter activities.
Michael Thompson (verified buyer)
The best thermal set I’ve purchased in years. It fits snugly and keeps the chill out. Ideal for my morning hikes in the cold. Definitely recommend it to anyone looking for quality thermal gear.
John D. (verified buyer)
Incredibly warm and comfortable, perfect for chilly days.
Sam L. (verified buyer)
These thermals are a game changer! The fabric is soft against the skin, and the fit is snug but not restricting. They’re now my go-to underlayer during the winter months, making outdoor activities more bearable.
Mike T. (verified buyer)
Fits perfectly and keeps me warm. Highly recommend!
Alex P. (verified buyer)
Good quality, though I wish it was slightly thicker.
OutdoorGuy (verified buyer)
This thermal set has become an essential part of my winter gear. It maintains warmth without causing overheating, even during high activity levels. The design is sleek, and it doesn’t restrict movement. Worth every penny!
SamWinter (verified buyer)
I’ve been using this set for my winter hikes, and it has exceeded my expectations. The material is soft, keeps me warm, and doesn’t feel bulky under my clothes. A must-have for cold weather enthusiasts!
Mike79 (verified buyer)
Perfect for skiing!