A unisex ergonomic design inspired by the rocky landscape of the Tramuntana mountains. That's Karst. These grey leather and textile men's euro sneakers with OrthoLite® Recycled™ removable footbeds (so you don't feel so badly about throwing them away to replace with your Align Orthotics™!) Also featuring XL EXTRALIGHT® Organix™ 3.0 outsoles (30% bio-circular compounds).