Viking VW8-3 Journeyman 15" Heavy Duty Knee Boot. Available in sizes 6-13. 

Features include:

CSA Z195-09/ASTM F2413-11 Class #1 steel toe and plate. CSA Omega - ESR (electric shock resistant) to 18kV. Extra layers of rubber provide increased metatarsal protection. NBR rubber boot with cotton canvas lining. Slip resistant, self cleaning rubber lug sole adaptable for ice studs.

Suitable uses:

Construction workers, Utility & maintenance workers, General labourers, Field engineers, Electricians.