Get a pair of Birkenstock Women's Madrid Birko-Flor Sandals for $54.99 with Free Shipping when you use the code PZYBMAD55-FS at checkout on Proozy. Regularly $100. Six color options to choose from: Scuba Blue Patent, Dress Blue Patent/LS Red, White Patent, Black Patent/LS Red, Vernis Blanc LS Blue, or Ocean Green. While stocks last.