Extra battery kit for heated gloves - Ultra Heat Boost GL3600 Sock These socks combine a thermo-regulating

These socks combine a thermo-regulating knit and merino wool for optimal insulation and breathability

in an easy to wear

Harnessing decades of imputed construction knowledge

Breathable: Innovative Moisture-Vent technology for well ventilated feet

Extra battery kit for heated gloves - Ultra Heat Boost GL3600 Sock These socks combine a thermo-regulatingDeveloped for the Therm ic Ultra Heat Boost Gloves and Ultra Heat Boost Mittens (gloves with a new heating element (+1. 5W) to increase the feeling of warmth), these 3600mAh batteries are more powerful, allowing you to get more heat. In addition, these batteries charge faster than the old ones (5h30 instead of 8h). Please refer to the table below for the heating times of the different batteries.