The Korkers cable system is guaranteed for life (so they say). I think it works great for what I do. If the boots loosten up, give 'em a half turn. If you need to take them off, pull the crank wheel and slide them off. Plus you have the goodness of removable soles!! I think Korkers has a winner with this boot. I purchased a pair from a vendor at the fly fishing show this winter and I am happy with themso far.