Sidi kaos air shoessidis quality and finishing design come as part and parcel of the brand lightweight and performance ready these kaos air shoes are ideal for the racing cyclist who is looking for a performance boost or for the club cyclist who appreciates a high quality breathable road shoe without sacrificing on comfort kaos air shoes stiff carbon performancea millenium 4 carbon composite sole provides a stiff foundation for power transference and is both durable to stand the test of ti