Upper: Synthetic, Textile, UltraWeave. Insole: Synthetic. Outsole: Rubber, Synthetic. Fabric Technology: Nano Silver Technology, ULTRAWEAVE Technology. Dual Density, NanoGrip Liner, Removable Sock, Screw-In Studs. Flat. Cut: Low Cut. Design: Formstrip, Logo, Studded. Toe Style: Round. Sole Features: Conical Studs. Fastening: Lace Up. Ref: UTGT39389