The Goretex membrane will eventually fail from the constant flexing of
the boot. At least that has been my experience.But while it now lets
water in, the membrane still works to keep the heat generated by the
foot inside the boot.
> Thanks for the tips! The Merrill Ventilator looks comfortable, but are
> they waterproof? I didn't see any mention.
> Also, I've seen some people shy away from "waterproof membrane"
> claiming that leaves a whole lot a shoe to still get wet and
> saturated. I see it more as a weight/performance tradeoff.