Size 40, according to Dansko website that is 9.5-10. Check out the New LT Pro Nurse Clog from Dansko! Features include Microfiber lining with Aegis Microbe odor control & stain-resistant leather uppers. Also featured on the product are a leather-covered footbed with 6mm energy return PU memory foam for cushioning & patent-pending stapled construction. Stain-resistant Rocker bottom Roomy reinforced toe Padded instep collar Lightweight EVA Midsole Removable footbed Patent-pending stapled construction EVA outsole Dansko's wipe clean technology Leather sockliner Style #5200550202