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Therm-ic Heat Fusion One + S-Pack 2400 socks keep your feet warm during skiing and winter activities thanks to targeted heat, a close-fitting design, and a complete set of batteries.
Heat and autonomy
- Heat Fusion technology: the heating element placed at the front of the foot diffuses uniform warmth across the forefoot.
- Three heat levels: up to 23 hours at level 1, 10 hours at level 2, and 7 hours at level 3.
- Two S-Pack 2400 batteries: included with the socks to enjoy full days on the mountain.
- USB-C charging: the included cable allows you to charge both batteries simultaneously.
Comfort and support
- Close-fitting: hugs the shape of the foot and provides good support without adding bulk to the boot.
- Targeted padding: reinforcements at the shin, heel, and toes to reduce pressure points in ski or hiking boots.
- Battery retention: wide elasticated ribbed cuffs and snap buttons keep the batteries securely in place.
- Breathable fibers: promote thermoregulation during exertion.
- Composition: 52% polyamide, 36% polyamide microfiber, 7% polyester, and 5% elastane.
Care
- Remove the batteries after each use and before washing.
- Wash by hand or machine at 30°C maximum, in a mesh bag, with a slow spin cycle of 400 rpm maximum.
- Dry flat, without a tumble dryer or heat source, and do not use bleach or fabric softener.
- Store the socks flat, away from light, heat, and humidity. Recharge the batteries at least every six months.
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