The ksyrium elite ii road shoes feature mavics unique endofittrade tongue which surrounds the foot and holds the tongue in place so you get a shoe that literally fits like a glove the ergo fit dual density 3d ortholitereg inner soles support your feet perfectly and your feet are locked in place thanks to the ergo ratchet system which allows 2mm micro adjustments for a fit thats just right as well as superior comfort this shoe also delivers excellent power transfer with ca