The all - time best - selling Flash rock shoes are back in 2018! Featuring modern stretchy upper materials, these shoes offer top - notch comfort and performance, delivering an even better wearing experience. The updated 3D heel, with its thin build, flexes well and fits most heel shapes. Long - time fans will immediately recognize the familiar feel and love the improvements. Tech Specs: Stiffness: Soft/Medium; Upper Material: Syn Flex, Leather; Closure: Hook - and - loop; Rubber: Science Friction 3.0, [rand] Science Friction R2; Midsole: 1.4mm polycarbonate midsole; Profile: Performance; Asymmetrical Curvature: Moderate.

Using your Mad Rock Flash 2018 rock shoes is easy. Just slip them on and adjust the hook - and - loop closure to fit your foot snugly. These shoes are great for climbing different types of rocks. When using them, make sure your feet are clean and dry to keep the inside of the shoes fresh. As for maintenance, after each use, remove any dirt or debris from the shoes. You can use a soft brush to clean the rubber soles. Store them in a cool, dry place away from direct sunlight. Don't expose them to extreme temperatures, as this can damage the materials. And remember, if you notice any signs of wear and tear, it might be time to think about getting a new pair.