Upper: Synthetic. Insole: Air Cooled, Cushioned, Memory Foam. Midsole: Lightweight, Synthetic, Ultra Go. Outsole: Synthetic. Heel Pillow, High-rebound Hyper Pillar Technology, Pull Tab. Flat Heel. Cut: Low. Design: Logo, Printed, Text. Toe Style: Round. Fastening: Slip-In. Fit: Stretch. Ref: UTFS11814