------------------------------------------------------ Business Insider tells you all you need to know about business, finance, tech, retail, and more. Visit our homepage for the top stories of the day: businessinsider.com Insider Business on Facebook: facebook.com/businessinsider Insider Business on Instagram: instagram.com/insiderbusiness Insider Business on Twitter: twitter.com/businessinsider Insider Business on Snapchat: snapchat.com/discover/Business_Insider/5319643143 Insider Business on TikTok: tiktok.com/@businessinsider Doc Martens almost went bust in the early 2000s. #DocMartens #boots #Docs