Ultralight EVA midsole combined to a RB outsole Lightweight XL composite protective toecap L3 foam heel inserts for outstanding shock absorption and energy transfer Low-density soft foam footbed Non-metallic puncture resistant plate Dielectric (ESR) protection PU fabric with highly breathable mesh upper This style meets CSA Z195-09, ASTM F2413-11 I/75, C/75, PR, EH quality standards