Crocs Australia Official Store. Crocs Lock slip-resistant tread Designed specifically for those in the restaurant, food service, hospitality and health care industries Enclosed toe design and thicker metatarsal area help protect foot from kitchen spills Odor-resistant, easy to clean, and quick to dry Contoured foot bed for comfort Fully molded Croslite material construction for maximum lightweight cushioning and durability Croslite material heel strap for a secure fit