“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 ...

The problem with double-sided adhesive Velcro is that it needs the two sides to align for a lasting hold. That doesn't happen when you have a curved surface and a flat one. To fix this, turn to Sugru.

Running shoe tech is stepping up, and KIPRUN, Decathlon’s running brainchild, has just thrown down the gauntlet – or rather, the glue stick. The brand’s latest shoe, the KipX (dropping in April), ...