The Fly London Is A New Take On The Heeled Mary Jane. The Leather Upper Boasts A Crossed Strap Detail With A Hidden Hook-and-loop Closure For An Easy Slip-on Fit. Round-toe Silhouette. Breathable Leather Lining And Footbed. Skip to a new beat in the flirty and flattering FLY London Yala peep-toe wedge. Smooth leather upper. Hook-and-loop ankle strap closure.