Step into luxurious comfort with the JOSEF SEIBEL Fenja 01 slip-on leather pump. Crafted with high-quality leather uppers and lining, this shoe boasts a soft footbed, making it perfect for everyday casual wear and ensuring all-day comfort. Upper: Leather, Lining: Leather, Sole: 0, Heel Height: 0, Fastening: Slip on, Fitting: Standard. Available sizes: 4.5,5,6,6.5. Josef Seibel Shoes (Pumps / Ballerinas) FENJA 01 Available in women's sizes. by Josef Seibel. These ballerina flats are just what you need, thank you Josef Seibel! With a blue leather and fabric upper, they are simply perfect. The Fenja 01 has a fabric outer sole. Beautiful ballerinas!