Stylish, comfy, and versatile. We can't find anything wrong with these.Slip it on for instant well-being and snugness! The BIRKENSTOCK Zermatt is our first slipper with a removable footbed, allowing you to choose between two different insoles. The classic is now available in a particularly cozy premium design. Its natural design is down to the upper made from especially soft suede, which hugs the foot like a second skin.