This pair features an Ortholite Sheet footbed with perforated arch support for daylong comfort. Worn just a few times! Perfect for flight attendants or people on their feet all day long. I am a true 8 and size up .5 per reviews - just didn’t find that the style suited me. Synthetic upper Slip-on Round toe Fabric lining Ortholite® Sheet footbed ¾" platform, 3½" covered heel TPR sole Imported