Any shoe that is comfy but with 'treads for walking' means small pedal cleat, ala shimano SPD, Time, Look, Speedplay 2 sided, so called 'mountain bike' pedals which of course can be used on a road bike.
Any shoe that is comfy but with 'treads for walking' means small pedal cleat, ala shimano SPD, Time, Look, Speedplay 2 sided, so called 'mountain bike' pedals which of course can be used on a road bike.