Polyurethane Boots with steel toe cap and steel mid-sole. 
- Much lighter than PVC and Rubber.
 - Lasts 3 to 4 times longer.
 - Much more comfortable. 
 - Thermo-insulating (cool in summer and warm in winter). 
 - Better resistance to acids, oils, fats, and chemical products. 
 - Superior slip resistance 
PPE category II EN ISO 20345 : 2011