Northside Work Thomason II Men's Nano Toe Electrical Hazard Slip-On Work Shoe P643905 it meets the ASTM F2413

it meets the ASTM F2413 I/75 C/75 Protective Toe Classification

and the outsole is multi-durometer rubber with high abrasion outer lugs for high impact durability and softer durometer mid lugs for added flexibility and increased slip and oil resistance

Leather upper

Rocky stock # R6004 also complies with its Electrical Hazard standards

Northside Work Thomason II Men's Nano Toe Electrical Hazard Slip-On Work Shoe P643905 it meets the ASTM F24133 Inches in height ASTM F2413 electrical hazard standard ASTM F2413 protective toe classification ASTM F3445 slip resisting Easy Slip On and Off Flat outsole; no heel Full grain leather upper with abrasion resistant rubber heel counter Light and flexible cement construction Pull tab Removable PU Footbed with Memory Foam Slip and abrasion resistant rubber outsole Wedge like outsole design