“As someone who has climbed mountains, I’ve had to improve the grip on the bottom of a shoe or two,” Michael Sawyer of UltimateKilimanjaro.com says with a laugh. “Just take a rock, nail file or ...

Just when you need your shoes to do their job, their heels and soles start to break off. Add to that the widespread sense that many product makers are skimping on quality these days to save an extra ...