Nurse Mates Women's Meredith Slip-On Shoes Synthetic ASTM (American Society for Testing and Materials) tested slip-resistant outsole provides the traction you need at work. Full-grain leather or polyurethane upper is stain-resistant for easy care. Removable, four-layer PillowTop insole offers all-day cushioning that molds to the shape of your foot, absorbing pressure and distributing it evenly as you walk. Dual elastic inserts stretch for a customized fit.