Tin Foil Shoes

Now that winter is nearly upon us here in Seattle, the overnight lows have been hitting well below freezing. The worst part is while walking, or waiting for the bus, I could feel the ground sucking all my body heat through the soles of my feet.

I started shopping for thermal insoles (hard to find, apparently) and came across a few patent and trademark disputes that discussed the composition of these thermal insoles. They consist of roughly 3 layers, a bottom layer (presumably made of rubber) for keeping the insoles in place, a middle layer that acts as a heat shield, and a top layer that acts as an insulator and padding for your feet.

Here's the secret: The "heat shield" layer is basically a sheet of aluminum foil.

Naturally, after reading that, I decided i could make it myself. I picked up some new Memory Foamâ„¢ insoles (for insulation) and stuck a sheet of aluminum foil in my shoes before sticking the new insoles.

Does it work? Let me just say that before I did this, the sidewalks were covered in ice, and after making my tin foil shoes, there's water everywhere. Coincidence?

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