Viking VW49 Miner 49ER Mining Boot. AASTM MT/75 metatarsal protection. CSA Class # 1 steel toe & plate. CSA Omega – electric shock resistant. NBR rubber boot with cotton canvas lining. Nitrile oil, chemical, and slip resistant lug sole. Achilles tendon and ankle protection. Hang up holes on sides. Available in sizes 5-14. Sold as pair.