back in the day I used to just slap a band aid over each- of course, these days with weight loss and age, they are trying to crawl back into the two fried eggs currently sliding towards my waist so I have pretty much given up caring. I wear champion sports bras color coordinated with my jersey so that if I get really really hot, I can ride unzipped and still look like it's intentional. If they want to stare at the getting skinny old lady on the bike, let em.