Gaerne composite carbon chrono shoesgaernes composite carbon chrono shoes have been designed around nylon casings and over injected with carbon fibre in the central metatarsus and arch support areas to ensure a balance of stiffness and lightness the ultra thin composite carbon reduces the distance between the feet and pedals to allow for ultimate pedalling power non slip rubber insertsthe non slip rubber inserts in the front and back of the soles provide extra security when you are off the b