Simple green and a scrub brush. I use baby powder to keep them from getting gooey.
White hoods make you sexier, it's an irrefutable truth. I believe Grant Peterson proved it back in the late 80's. Jan Heine did a double blind study a few years ago confirming the "Sexy White Hood" factor and subsequently unearthed heretofore unknown documentation obtained from a 93 year-old randonneur wearing a raspberry beret that the French had known this since the 1939 technical trials.