Self-Heating Socks - Tourmaline - Black - Hiking and Skiing - One Size - Deep Thermal Effects

These self-heating socks made of black tourmaline keep your feet warm during your outdoor activities. Thanks to tourmaline, they release thermal energy and negative ions for optimal comfort. Ideal for skiing and hiking, they are suitable for all adults, men and women.. The Seller confirms that its products comply with all applicable laws and are only offered if they comply with Joom's policies and European laws on product safety and conformity.