I bought these because the soles of my feet were aching after some long standing. Shortly after I ended up getting physical therapy and my feet no longer hurt. They have been worn maybe 4 times and in an office setting. Never worn outside. Work Clogs for Women: Neria is dependable and ready to make the rounds with protection and comfort every step of the way. These are the work Crocs women need for long days and nights. Easy to Clean: Crocs Neria Pro II Clogs are easy to clean by just using soap and water and allowing for a quick dry. The updated style includes removable, washable footbed liners. Certified Slip Resistant Shoes: Crocs that are fully ASTM F2913-11 tested, CE certified. Meets or exceeds EN ISO 20347:2012, OB, SRC. Designed with food service, hospitality, and healthcare workers in mind, making great nursing shoes or chef shoes.