Josef Seibel - Donna (Buttero Marine Cashmere) - Women's: This comfortable slip on shoe features a full grain leather upper. Center goring allows for easy on/off. Square hole punch detail on upper. Handsewn construction gives extra life, flexibility and quality. The handsewn upper is Double Lock Stitched, meaning it will not fray apart if you have a loose stitch. No shank or stiff midsole. No break in period required, meaning comfort right out of the box!; Fully leather lined. Air ped insole features 6mm of memory foam cushioning, which contours and shapes to the foot providing tremendous support. Polyurethane outsole is shaped to be anatomically correct to fit the shape of your foot, providing arch support. Superb flexibility to go along with great shock absorption. Classic "European Fit" is snug in the instep and heel and roomy in the toe box.