The Ironlace Boot Lace (63”) from Lacetech Industries Ltd. is made very tough to withstand the toughest work environments. It is more than suitable for virtually every profession, including police, firefighters, EMT, ironworkers, welders, hikers, construction workers, machine operators, oil miners, tree fallers, millwrights, and marines. If your job is demanding, the Ironlace will help your footwear stand up to and get through some of the most difficult conditions in the workplace.