You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract InStyle Launches Button-Down Shirt Line to Solve Ladies' Peek-a-Boob Problem Magazine's First-Ever Branded Product is Timed to Launch of Biggest Issue By Ann-Christine Diaz, Published on August 20, 2013 0 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Register Now Already a member? Log in.