The mavic crossmax pro off road shoes feature the energy grip terra carbon comp outsole which is lightweight and stiff facilitating effective transfer of power to the pedals the endofittrade tongue hugs the foot in just the right places for maximum comfort and further reduces power loss the shoes are easily fastened with the micro adjustable mavic ergo dial the one on the top of the foot has a quick release and the one on the instep provides two way micro adjustment for a se