What is HEATTECH?
Fibers absorb water vapor emitted from the body and convert it into heat energy.
The material itself becomes warm.
Men's HEATTECH Thermals
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*Rough guideline when worn with other clothing. May vary by individual.
**Calculated based on the CLO value that measures heat resistance.
HEATTECH
HEATTECH is lightweight yet warm, ideal for everyday layering.
Extra Warm
Approximately 1.5 times** warmer than regular HEATTECH thermals.
HEATTECH Extra Warm thermals
Cashmere Blend
Contains 9% cashmere. Approximately 30% less weight.*
HEATTECH Cotton
Lining made with 100% cotton.**
*Compared to HEATTECH EXTRA WARM Cotton. The fabric is made from yarn that is approximately half as thin as the yarn used in cashmere sweaters.
**The other parts are made of cotton, acrylic and other fibers.
Ultra Warm
HEATTECH Ultra Warm is our warmest option, approximately 2.25× warmer than original HEATTECH.
HEATTECH Ultra Warm
