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Men’s Thermal Underwear Set
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

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 |

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 |
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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.
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!
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.
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!
They're super cozy and lightweight. I wear them under my clothes during winter walks. They keep me warm and dry on chilly mornings.
Surprisingly lightweight but still very warm. Keeps me dry even when I'm active. They're flexible enough for jogging or lounging around. Awesome durability too!

Jessica B.
Customer Happiness Hero
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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.