The Mephisto Kalmina can be worn anywhere. The all leather upper and lining will let feet breathe while the Lycra instep provides a flair and ensures a comfortable fit. Other aspects of the Kalmina include a latex-mousse insole, a shock absorbent heel to buffer the foot and protect joints and vertebrae, an air circulation system and a contoured footbed. The rubber outsole is designed to grip any surface, yet it is lightweight and flexible. The Mephisto Kalmina will keep you smiling all day long with its superior comfort and style.