Twisted X Men's Zero-XProtect the planet while also getting comfort. Twisted X's Zero X shoes are made from environmentally conscious non traditional materials so you can feel good in them as well as about them. Upper is a combination of ecoTWX material and leatherTWX recycled leather LeatherTWX material utilizes 80% recycled leather that would otherwise end up in landfills Air mesh lining Made without glue, utilizing an independent interlocking stitching system to ensure