From the manufacturer: At Natural World Eco we take care of every detail to achieve quality, comfort, ecological awareness and fashion in our footwear. The Old Gazelle summer slip-ons for men have been designed for daily use, combining style and sustainability. Made 100% in Spain with ecological materials, these men's shoes are perfect for summer days for their design, comfort and freshness. Using the vulcanized system during production, the upper part of the Old Gazelle shoes is made of 100% organic cotton and the sole is made of natural rubber. As part of our brand philosophy, these men´s camping shoes come in a recycled cardboard box, something essential for those who want to contribute positively to the environment. • Removable insoles • These shoes involve a manufacturing process on a natural fabric so any irregularity is a part of its characteristic. Has a salt washed look, kind of khaki/olive/brown. Worn once. In excellent condition. Fit me snug with a sock, which is the only time I wore them, and would be perfect barefoot. I wear a U.S. 9, fits 8.5-9. See fit guide from brand in pics. Cool kicks, but I want an espadrille. Smoke free, pet friendly home.