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Earthing Shoes – My Review

A few of weeks ago  I was contacted by Mike Simondes of the website EarthRunners.com [1]. He sent me an email asking me if he could send me a pair of their earthing shoes so that I could write a review on my website. I checked out his website so I could get a feel for what he was about and promptly replied that I would be happy to test their product but I could not guarantee a positive review. I would say what I thought.

So here I am saying what I think. After our initial exchange of emails he then sent me instructions by way of a video on how to measure each foot, because the sandals they were sending me were made to measure. [2] I took the measurements as instructed, using a pen and a few sheets of paper, and sent them the outlines of my feet back to them using a scanner. He then asked me my preferences in terms of materials used and design and 2 days later said my grounded sandals had been posted to me.

About a week later the grounded sandals arrived. Their website says “Earth Runners are minimalist ‘grounding’ footwear inspired by the world renowned long distance runners, the Tarahumara Native American Indians of Northwestern Mexico.” There are plenty of pictures and videos on there so I pretty much knew what to expect.

The peculiarity of these sandals is the sole which appears to have what looks like copper pins inlaid. As far as comfort goes I must say I am not a fan of sandals with straps between the toes but these straps are well placed and they do make it feel as though the sandal is a part of your foot when you walk.

But for me what really counts is whether they earth.

Do Earthing Shoes Really Earth?

With a view to answering this question I did some testing using a basic multimeter to obtain some body voltage readings. I did this test in my home, stood on stone tiles and using the ground on the electrical socket. Here is what I found:

With the Multimeter on the AC setting, my body voltage readings are:
unearthed (wearing insulating soles) 1770 mV
earthed (barefoot) 850 mV
earthed (wearing Quantum sandals) 1050 mV
this indicates that the sandals are effective because the AC body voltage is reduced when the sandals are worn, but the body voltage reduction is not as significant as when going barefoot.

With the Multimeter on the DC setting, my body voltage readings are:
unearthed (wearing insulating soles) 29 mV
earthed (barefoot) 900 mV
earthed (wearing Quantum sandals) 100 mV
this indicates that the sandals are effective because the DC body voltage is increased when the sandals are worn, but the DC body voltage increase is not as significant as when going barefoot.

I ran my results by Mike at Earthrunners and he gave me the following feedback:

I calculated % earthing with your figures:
“With the Multimeter on the AC setting, my body voltage readings are:”

unearthed (wearing insulating soles) 1770 mV         0% earthed

earthed (barefoot) 850 mV                                               52% earthed
earthed (wearing Quantum sandals) 1050 mV      –   41%earthed

difference between Quantums & barefoot       =     11%

difference between Quantums & unearthed  =   41%”

Mike has also done some testing, but outside on grass, see  http://www.youtube.com/watch?v=5Nauo9G0rrM&feature=player_embedded [3]. His multimeter results with Earth Runners that were broken in and tested on grass were:

Running shoes                                                     0%    earthed
Thong sandals                                                     75%  earthed  
Earth Runners                                                      99%  earthed
Barefoot                                                             99.8% earthed

Are Earthing Shoes Worth The Money?

Conclusion: these sandals do earth. Would I buy them? Absolutely. As an electrosensitive person, earthing is very important to me and wearing this kind of footwear in a natural environment is a way of obtaining some of the benefits of going barefoot. Plus the fact, for every 10 pairs sold EarthRunners.com donate a pair of sandals to children in need [4]. In buying through them you are also helping them to help others.

Any downsides? My only reservation is that which I have with any kind of grounding. Grounding in a high EMF environment could increase exposure levels, see here [5].

Many thanks again to Mike for the earthing shoes which I now wear regularly and I wish him all the best in his venture.