It's free, feels great, and facilitates your physical and mental wellbeing - running is a life enhancer. So we set out to create the world's most comfortable running and exercise shoe. Biomechanically optimized for endurance running Superlight flexible knitted tongue Anatomically contoured footbed for superb arch support & pressure diffusion Sole flares out at forefoot & heel to increase stability Light rubber outsole pods with extra grip & wear resistance for endurance running (grip suited to country paths/light trails) Outsole also has flex grooves to help feet move naturally & channels to reduce aquaplaning Contrast-colour 'wishbone' propulsion plate visible on bottom of trainer