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Spenco Polysorb Cross Trainer Insoles Review – Worth It?
I slid the Spenco Polysorb Cross Trainer insoles into my trail runners on a wet Tuesday morning and walked two miles before work. That was three months ago. Here's what I've learned about arch support, shock absorption, and why these green inserts have stayed in my shoes through rain, heat waves, and three consecutive half-marathon training weeks.
haunh5 min read
