DESC: You may be more comfortable sizing downward for open-back models (for example, if you are a US size 6.5, you may want to choose EU size 36). Your heel should be either even with or slightly forward of the back of the clog. Toes should not hit the front of the clog. Dansko's most traditional open-back style with lightly padded instep collar. High quality leather upper follows the natural contours of the foot. Oiled Leather is a heavily oiled, matte-finish leather with optimal pliability and moisture resistance. Oiled Nubuck has the same closely napped, silky feel as Nubuck, but with noticeably more oil tanned into the leather. Naturally occurring blemishes are slightly more visible in these tannages and suggest a more rugged appearance. Latigo leather has a smooth, tight grain and semi-gloss to transparent finish. Instep collar is generously padded. Roomy Thermoplastic toe box provides durable reinforcement and toe protection while allowing toes to move comfortably. Nonallergenic vegeta