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I bought a pair of Injinji toe socks recently to try them out. To date, I haven't noticed a huge difference in the way I perform my physical activities (mostly kung fu and an occasional run). If there is a difference, I'm not physically perceiving it at all. I have noticed that the material does make a difference in reducing moisture, but the sock's primary design and function eludes me.

What is the purpose of the toe sock's design, and what effect does separating the toes in a sock have on the bio-mechanical performance of the foot when doing various sports-related activities?

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Try putting on toe socks in Vibrams and you'll know the difference :-) – Ivo Flipse Apr 28 '12 at 4:53
up vote 2 down vote accepted

Some runners, especially some ultra-runners, get blisters in between the toes. Injinjis stop that process by being toe-socks.

You can do the same thing by taping each toe individually with special athletic tape or duct tape.

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