Mavic ksyrium pro thermo road shoeswhen winter sets in mavics ksyrium pro thermo shoes will keep you on the road a gore tex outer layer and neoprene ankle gusset provide excellent protection against rain wind and cold and reflective trim makes you more visible in low light thanks to the construction of the ksyrium pro thermo road shoe there is no need for separate overshoes the unique properties of gore tex make it virtually impenetrable to the elements a flexible neoprene gusset provide