Groundies® Thermal Insoles
More Comfort And Extra Warmth: The Thermal Insoles Are The Perfect Addition To Your Groundies® For The Cold Season. They Are Breathable, Heat-Regulating And Quick-Drying. The Insoles Are Optimized For Groundies® And Just Like Our Barefoot Shoes They Are Produced In Portugal. They Are Completely Flat And Extremely Flexible. For Maximum Barefoot Feeling With Every Step.