This all - around star is crafted with a stretchy knit upper. The heat - fused TPU adds both long - lasting durability and a solid structure. It's one of the comfiest and most breathable climbing shoes you can find. It's built on the well - loved Flash last, but with a modern update! Tech Specs: Stiffness is Soft/Medium. The upper material is FloKnit. It uses a Hook - and - loop closure. The rubber is Science Friction 3.0 and Science Friction R2. There's a 1.4mm polycarbonate midsole. The profile offers great comfort, and it has a moderate asymmetrical curvature.

These Mad Rock climbing shoes are super easy to use. Just slip your feet in and fasten the hook - and - loop closure tightly for a secure fit. When you're climbing, they'll give you good support and flexibility. Here are some things to keep in mind. Don't wear them on rough surfaces that aren't for climbing, as it can damage the rubber. After each use, take them off and let them air dry. If they get dirty, you can use a soft brush and mild soap to clean the upper. But don't soak them in water for too long. Store them in a cool, dry place to keep them in good shape for your next climbing adventure.