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HEATTECH COLLECTION
This innerwear generates heat from your body.

WHAT IS HEATTECH?

HEATTECH LINEUP

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Light, substantial warmth for everyday wardrobe

extra warm heattech logo

1.5x warmer than HEATTECH for day-long outdoor excursions.
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HEATTECH

Substantial warmth. without the weight. Keeps you warm and comfortable on your daily commute

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HEATTECH EXTRA WARM

1.5x warmer than regular HEATTECH. Keeps you cozy even during day-long outdoor excursions.

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SOCKS & TIGHTS
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ACCESSORIES
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When temperatures drop, sometimes your regular inner layers just aren't cutting it. The solution? Kids' HEATTECH. Thin, light, and so warm, kids' HEATTECH is ideal for keeping those little ones warm all winter long.

For climates that are chilling but beat a freeze, regular kids' HEATTECH is the perfect choice. When it's really cold, HEATTECH extra warm is approximately 1.5 times warmer, meaning it's great for outdoor play, hiking, and other activities.

It's not just about tees and tops, too — kids' HEATTECH offers bottoms, which are great for layering under jeans or sweats when the cold sets in. Kids' HEATTECH provides the utmost in warming inner layers, and it's only available at UNIQLO.