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Title: For use with Vibram KSO
Review: These are fine general performance socks, listed as standard weight. They are, in fact, a little thick if you're looking for something to use with barefoot sports shoes for an endurance event. Thicker usually means more weight and more heat. If you're training for an event where grams matter, get the lightweight performance series. Otherwise, these are great for general uses. Plush and comfortable.
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