The self-heating insole uses breathable adhesive to fix the layers together while it uses mineral tourmaline to generate heat, and distribute them at sole and to your entire body.

The utility model has the function of self-heating and keeping warm while improving blood microcirculation.
FEATURES
The self-heating insoles provide warmth to your soles where they hold all stimulation points of your organs and disturb heat into your entire body.

The heat can accelerate and improve your blood circulation, delivering an instant anti-swelling effect.

Heats up the 45ºC as quickly as 3 minutes after you put your foot in.
10 hours of fuzzy warmth to keep you warm and cozy all day in the ice cold winter weather.
Designed with natural sources like artemis and ginger, all known for its self-heating properties.
SPECIFICATIONS
Size: M: 36 - 39 / L: 40 - 43
Color: Beige
PACKAGE INCLUDES
1x Anti Swelling Self-Heating Insoles (Pair)