6002/6000 - CSA Z96-15 Class 2 Level 2 (becomes Class 3 when worn with CSA Class 2 Level 2 top featuring reflective arm bands) and ANSI/ISEA 107-15 Class E Supplemental Type
6004 - CSA Z96-15 Class 1 Level 2 (becomes Class 3 when worn with CSA Class 2 Level 2 top featuring reflective arm bands) and ANSI/ISEA 107-15 Class 1 Type O
StarTechâ„¢ reflective tape
Mesh ventilation panels on upper legs
2-way brass zipper
Radiophone clip strap
2-way 28" leg zippers for ventilation and easy boot access