Thermal insoles for winter use made of heat-generating nano-processed high performance material.
●The surface is made of wool. It retains warmth between the fibers, resulting in a high heat retention effect.
●Polyester fibers are blended into the insole, so the surface of the insole feels smooth.
For men Free size：(24.0～27.0cm)
For women Free size：(21.0～24.5cm)
Thickness of the insole：about 6mm(This is the value when no weight is applied)
【How to use】
●The length and width should be cut larger than the size of the shoe to be used.
●Both sides of the insole can be used.
●Use alternately on two pairs of shoes for a longer lasting effect.
●Insoles are made in typical shape. The width of some shoes may not fit.
●Please do not bend the insole.
●If you feel pain while using the insole, please stop to use it immediately.
●This is not a disposable insole.