Gaerne carbon kona shoesthese carbon kona shoes are fitted with gaernes eps lightweight full carbon soles guaranteeing total lightness and firmness you get maximum power when pedalling without losing any energy as the ultra thin carbon allows the feet to be positioned at a minimal distance from the pedals perfect ventilationtwo channels positioned in the soles give flawless airflow to the feet while you are riding and the non slip rubber inserts in the front and back of the soles provide ext