HEATTECH

Thin, light and warm.
Three types of high-function
innerwear with a choice of warmth.

A light, thin base layer
that keeps you warm.

Approximately
1.5 times* warmer.
*Calculated based on the CLO value that measures heat resistance of clothing. Compared to regular HEATTECH.

Approximately
2.25 times* warmer.
*Calculated based on the CLO value that measures heat resistance of clothing. Compared to regular HEATTECH.
Lineup
HEATTECH

A light, thin base layer
that keeps you warm.

Stretchy and thin for a great fit that's easy to layer.
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HEATTECH Extra Warm

Approximately 1.5 times* warmer.
*Calculated based on CLO value that measures the heat resistance of clothing. Compared to regular HEATTECH.

The lining is 100% cotton*, soft and comfortable to the touch.
* The outer fabric is made of regular cotton and acrylic fibers.

The silhouette isn't too form-fitting, so it looks good by itself.
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HEATTECH Ultra Warm

Approximately 2.25 times* warmer.
* Calculated based on CLO value that measures the heat resistance of clothing. Compared to regular HEATTECH.

A basic crew neck T-shirt that's thick enough to wear by itself.
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Leggings & Tights

A light, thin base layer
that keeps you warm.

Approximately
1.5 times* warmer.
*Calculated based on CLO value that measures the heat resistance of clothing. Compared to regular HEATTECH.

Approximately
2.25 times* warmer.
*Calculated based on CLO value that measures the heat resistance of clothing. Compared to regular HEATTECH.
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Socks

Heat Retention and Heat of Absorption technology keeps you warm to your toes.
Anti-odor functionality for when you sweat.
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Accessories
