If you’ve always wondered how firefighter boots were manufactured, then check out this interesting “How it’s Made” segment. Video after the break.

Other types of boots are sturdy in nature, meant for protection in wilderness or industrial settings. Speciality boots have been made to temporarily protect steelworkers if they get caught in pools of molten metal; to protect chemical workers from a wide variety of chemical exposure; and there are insulated, inflatable, boots designed for walking in the Antarctic continent.