Designed specifically for running these Superfeet Run Comfort Insoles will help minimise foot fatigue while gaining efficiency by offering you a comfortable & well supported fit We are really impressed with these insoles & the main differences to the comfort green insoles is the lightweight Evolyte carbon fibre stabiliser cap which has been moulded to the Aero Spring Dual comfort foam both of these components offer a softer & more cushioning feel while they also have the addition of a small gel impact pad in the heel which ensures enhanced shock absorbency These running insoles have been designed to personalise your running shoes to your foot to deliver exceptional comfort & smooth & efficient energy transfer through your gait from foot strike to toe off so you can keep on going