Women's Crocs Work Classic Slip Resistant Clogs When you’re on your feet working for long hours, the Classic Work Clog gives you the comfort and features that work as hard as you do. Designed with food service, hospitality and healthcare workers in mind, these clogs feature Crocs Lock™ slip-resistant tread, an adjustable backstrap, enclosed toe design, and a waterproof upper. These premium features combine with a light and supportive design to help you get through even the longest shifts.