878 PVC safety boots with steel mid-sole and steel toecap UPPER PVC SOLE PVC 100% WATERPROOF 878 PVC safety boots with steel mid-sole and steel toecapUPPER PVCSOLE PVC100% WATERPROOFOil-proof, acid & alkali-proof, long bearing, water proof, germ-proof and smell-less, force-bearing and anti-rotting.SIZE: 40-47# 878 PVC safety boots with steel mid-sole and steel toecap