Moto Astra Slingback (Sky Blue)rag & bone Moto Astra Slingback (Sky Blue) rag & bone : 100% : 100% : 100% : Sky Blue The Astra Slingback. A rag & bone favorite in a new context. This flat style retains its quintessential tapered square toe, but is secured with a slingback and a custom Mary Jane strap all in our tried and true denim. Upper Material : 100% Cotton Outsole : 100% Leather 100% Sheep Leather Color : Sky Blue Square Toe Ortholite Footbed