Reebok Women's Easytone Exclusive Toning Walking Shoe Silver White Purple EasyTone uses balance pods in the shoes to create natural instability Mesh upper with synthetic overlays - for breathability 3D UltraLite - The shoe is made with lightweight materials to minimise weight and bulkiness High abrasion rubber outsole Moving Air Technology - Built-in balance pods that transfer air in response to your stride and create micro-instability with every step