Self-heating insoles, 35-39 rr

Self -heating disposable insoles. They begin to work when opening and interacting with air (oxygen). When freezing the feet of the insoles, your legs will warm for a long time. These insoles are in great demand among hunters, fishermen.

Carefully read and study the instructions that are described below. The maximum heating temperature is 60 degrees. The average heating temperature is 52 degrees. A special mixture of activated coal, iron powder, wood flour, sodium chloride and other safe and environmentally friendly materials is sewn into the heating pad. Such a mixture reacts very interestingly to oxygen. In contact with oxygen, it begins to gradually warm up to a low temperature and holds heat for a long time.

Method of application: to open the individual packaging of the heating pads immediately before the moment of its use. As soon as you open the package, and the heating pad material begins to contact the air, the heating pad will be warm up. Let her "breathe" with air for 10 minutes. Now you can safely wear boots (such heating pads are designed exclusively for use inside shoes, the only way they will maintain their heat). The heating temperature of the heating pad is 42 degrees. This means that your legs will not be “fried” at all at the stake. They will envelop them soft and delicate warmth, as if you are sitting at home in warm woolen socks in front of the fireplace. After you returned home, and the heating pad stopped warming, it must be disposed of as a regular household waste.