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 |















John D. (verified buyer)
These thermals keep me cozy even on the coldest days. They fit so well that sometimes I forget I’m wearing them. Highly recommended!
Sam J. (verified buyer)
Super comfy and perfect for winter sports. I stayed warm all day without feeling bulky. Love the moisture-wicking too, I didn’t feel sweaty!
Kelly R. (verified buyer)
It fits like a second skin and keeps me toasty even on freezing days. The flexibility is spot-on, and I forget I’m wearing it.
Jordan L. (verified buyer)
Warm and snug, great for chilly days.
Alex T. (verified buyer)
This thermal gear keeps me cozy during outdoor activities. I love how stretchy and light it feels. Highly recommend for anyone who hates the chill.
Mike P. (verified buyer)
Warm and comfy, fits well.
John D. (verified buyer)
These thermals keep me toasty even in the coldest weather. The breathability is great. I can move around without feeling weighed down by heavy layers!
Emily G. (verified buyer)
They’re super cozy and lightweight. I wear them under my clothes during winter walks. They keep me warm and dry on chilly mornings.
Emma K. (verified buyer)
Comfy, light, and keeps warmth.
Sara L. (verified buyer)
These fit snugly without any restriction. Whether I’m skiing or just walking the dog, the warmth and comfort it provides is incredible. Breathability is a bonus.
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Medical Disclaimer
Individuals' medical conditions vary, and the use of our products is not guaranteed to be 100% effective for everyone.
If you're dealing with clinical disease or chronic pain, please consult with your physician for medical advice regarding your medical condition.
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