roger-grandnat:
I saw a pair of Shox recently with the fifth "spring" under the heel - which you don't seem to get in the male shoe - but that extra spring really makes a difference.
I'm pretty sure that means it's the cross trainer version.
Nike Shox are the only shoe that don't hurt my shins. I love the Free's, they're heaps better for moving around in combat and kicking etc, but after a few classes in them my shins ache.
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