This is the same jersey we give the cannondale pro cycling team riders and if you keep a sharp eye youll even see it used in races they love it as the perfect cool weather training piece its a deceptively simple kind of garment that just gets everything right warmer fabric on the body to keep your core warm warmer x stretch on the sleeves to eliminate flapping fabric a ykk vislon zipper for easy updown just one ride and itll change your idea of how good a thermal jersey can bewarmer