A superior blend of foam cushioning and compression set, featuring rubber.
Overall Product Rating
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3/23/15 by Stephanie Reisner | Colorado
"I bought a pair of 623's when they had them in white and blue a few years ago. I immediately got blisters and there just wasn't enough cushioning. My shins and ankles would hurt after walking more than a mile in this shoe. I can't imagine doing anything else with them After two years of trying to break them in with no luck, I'm giving up and trying a different style."
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