Softwalk Selma is a chic and detailed ballet flat. These flat shoes have geometric perforated leather uppers, removable cushioned footbed and rubber outsole. A leather lining, memory foam midsole and detailed topline cutouts helps these impressive flats stand out. Perforated Leather Upper. Detailed Topline Cutouts. Removable Cushioned Footbed. Memory Foam Midsole. Flexible Rubber Outsole.