Slip and oil resistant lightweight FLX rubber sole for improved flexibility. Asymmetrical steel toe providing more toe room. Non-metallic puncture resistant plate. Dielectric (ESR) protection. Wear resistant TPU Pareshok bumper toe. 2.0 mm Nubuck leather and Armortex fabric, abrasion resistant, water and wind proof. Stitching threads tested for strength Low-density soft foam footbed for added comfort. Silverclear treated Taibrelle lining. Industrial patents pending.