What is HEATTECH?
Fibers absorb water molecules emitted from the body.
Energy from molecules is converted into warmth.
Women's HEATTECH Innerwear & Thermal Underwear
Stay warm without the bulk. HEATTECH innerwear converts body moisture into heat for lightweight warmth.
Shop Men's HEATTECH
Shop Kids' HEATTECH
Select a store to search store stock
Results: 0 items
HEATTECH
Thin, yet warm. Comfortable and well-fit.
HEATTECH
Ultra Light
Extra Warm
Approximately 1.5 times** warmer than regular HEATTECH.
HEATTECH Extra Warm
Cashmere Blend
Contains 9% cashmere. Approximately 30% less weight.*
HEATTECH Cotton
Lining made with 100% cotton.**
Seamless Ribbed
Scoop Neck Bra T-Shirt
*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
Approximately 2.25 times** warmer than regular HEATTECH.
HEATTECH Ultra Warm
*Calculated based on the CLO value that measures heat resistance.
Cashmere Blend
Gentle on your skin.
Remarkably soft, 9% cashmere blend.
Cashmere Blend
Tops
Leggings & Tights
Socks
*Rough guideline when worn with other clothing. May vary by individual.
**Calculated based on the CLO value that measures heat resistance.