The Rundown
A spare battery for your I-Thermic X-Warm base layer.
Start warm. Stay warm. The I-Thermic rechargeable battery is handy for long weekends off-grid when you need a little extra power to get you through. This lithium ion battery has a capacity of 2.000 mAh. Accompanies the I-Thermic X-Warm base layer top 2.0 or I-Thermic X-Warm base layer bottom. Cable not included. No need to pack an extra layer. I-Thermic offers intelligent thermoregulation right at your fingertips.
I-Thermic
I-Thermic pieces seamlessly integrate the Clim8® intelligent heating system, which can be controlled manually or via the smartphone app.
Fast Shipping
Within 3-5 business days
Free returns
Until January 31, 2026
Engineered in Switzerland
Knitted in Norway