The Super-Birki is a compact shoe made from water-resistant and dirt-repellent polyurethane which is also oil-and grease-resistant. This extremely resilient material is washable to 60°C (Removable footbed 30°C) and can be efficiently disinfected. Everyday use clogs with washable footbeds for improved hygiene. UK Size: 10/11. EU Size: 44 Everyday use clogs with washable footbeds for improved hygiene.