Birkenstock Papillio Lola Sandal in black. Great preowned condition. See pics for details. Size 8/39 Euro. Birkenstock Women's Backstrap Lola Sandals by Papillio are all about comfort, with more toe room allows you to move your feet naturally, features a raised toe bar and a contoured footbed to performance stability and proper fit. Besides have a shock absorbing sole and a firm and long lasting cork footbed.