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These Walking-Powered Shoe Insoles Don’t Need Batteries to Warm or Cool Your Feet
These Walking-Powered Shoe Insoles Don't Need Batteries to Warm or Cool Your Feet,You don't need batteries to power the Climfeet insoles, you just need to keep moving.

These Walking-Powered Shoe Insoles Don’t Need Batteries to Warm or Cool Your Feet

You don't need batteries to power the Climfeet insoles, you just need to keep moving.