Aluminum noseclipGet the ultimate grip ever! The structure is made from the robust AL6061 aluminum, which contains magnesium as its major alloying element.. The pads, made of natural suede leather, provide a grip you have never experienced while remaining comfy. They also last surprisingly long. I was personally using leather pads on a noseclip for several years in a row without ever needing to replace them. In my opinion, this is the Rolls Royce of noseclip pads grip