• Upper made of ecoTWX material. ecoTWX material is made from recycled plastic bottles and uses an average of 13 bottles per pair.
• Zero-X shoes are made without glue, utilizing an independent interlocking stitching system to ensure fit and durability
• Eco-friendly laces. Also features elastic gore panels on the tongue that allow the shoe to be worn without laces.
• Air-mesh lining
• BioBlend internal midsole