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.
Energy from molecules is converted into warmth.
Fibers absorb water molecules emitted from the body.
Men's HEATTECH Innerwear
Bio-warming functionality for cold weather comfort.
Warm
Fit
Deodorizing
Sweat Management
Smooth
Men's HEATTECH
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HEATTECH
Recommended temperature: 41°F - 68°F
HEATTECH Lineup
Lightweight, warm, and easy to layer or wear by itself.
Extra Warm Cashmere Blend
Recommended temperature: 23°F - 59°F
HEATTECH Extra Warm Cashmere Blend Lineup
Cashmere Blend
Crafted with a cashmere blend for an exceptionally soft, smooth feel that absorbs and disperses moisture.
Ultra Warm
Recommended temperature: -4°F - 50°F
HEATTECH Ultra Warm Lineup
Our warmest HEATTECH.*
*Approximately 2.25 times warmer than regular HEATTECH.