What is HEATTECH?
Innovative Thermal Clothing Technology.
HEATTECH’s micron-sized fibers capture the energy of water molecules emitted from the body and convert them into warmth while retaining heat.
HEATTECH
Lightweight, warm, and easy to layer or wear by itself.
Extra Warm
Wear it on its own for comfort and warmth.
Ultra Warm
The warmest HEATTECH.
Kids' HEATTECH Innerwear
Bio-warming functionality for cold weather comfort.
Warm
Fit
Deodorizing
Sweat Management
Smooth
Kids HEATTECH
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HEATTECH
Recommended temperature: 41°F - 68°F
HEATTECH Lineup
Extra Warm
Recommended temperature: 23°F - 59°F
HEATTECH Extra Warm Lineup
Ultra Warm
Recommended temperature: -4°F - 50°F
HEATTECH Ultra Warm Lineup
*Approximately 2.25 times warmer than regular HEATTECH.