Castelli womens aero race fz jerseyfresh from the distinguished rosso corsa line the aero race fz is the womens version of castellis pro level race jersey and its fastest yet advanced fabrics make it aerodynamic comfortable and durable and at around 40g lighter than most standard jerseys its also extremely lightweight castellis cutting edge velocity dry fabric is what makes the aero race fz so special in terms of aerodynamics its unmatched being extremely lightweight and technical