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  • Regular price $349.95
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Enjoy outdoor activities to the fullest with Therm-IC Sock Set Fusion Outdoor! Fitted with thick merino wool and a hidden heating element, Fusion Outdoor socks maximize comfort during all outdoor activities.

  • 54% Merino Wool for soft feel, moisture wicking properties, and quick drying technology
  • Distributes heat around the toes in order to maximize circulation and warmth
  • Reinforced heel and toe increases comfort and durability in a variety of footwear.
  • Reinforced ankle and instep protection
  • Easily attach batteries to press-on buttons at the top of knee high sock
  • Machine washable (up to 30°C ), hang dry

    Battery Dependent: 

    • All batteries include 3 manually controllable heat settings via power button on battery
    • All batteries with a “B” are fitted with Bluetooth© technology. This allows you to remotely control heat settings via your smartphone using the Thermic Heat Control App. The app provides increased adjustability, personalization, and battery life through accessing 10 different heat levels, motion control, and eco mode. 
    • Up to 14 hours of heat (dependent on battery and battery setting)