Can a Shoe Monitor Your Foot Temperature?

Whether it's raining quite steadily or it's very hot and humid, I would recommend making sure that your shoe uses a membrane (as opposed to a simple chemical treatment) to achieve the following for you: - Guarantee water is kept out - Guarantee perspiration is directed away from your foot An example is the GORE-TEX(TM) membrane, used on a variety of products - not just shoes. This membrane contains over 9 billion microscopic pores per square inch. That's 20 000 times smaller than a water droplet, but 700 times larger than a water vapour molecule: