The crazy popularity of a Jersey forced its manufacturers to expand to four new factories last year to meet soaring demand.The zip-The up Hoodie produced by starupamerican Giant in San Francisco costs $89.It's been on the market for 10 months, and a Slate article in December 2012 declared it "the greatest hoodie ever", with a sudden surge in sales.The pace of growth is so fast that the backlog of waiting time is up to four months.But people are desperate to keep placing orders.At the time, the American giant had only one factory in Brisbane, California.Since then, the company has expanded a factory in Los Angeles, adding three more factories in rural North Carolina outside Raleigh.In an interview with Business Insider, US giant CEO Bayard Winthrop said: "We are chasing demand all year round ."."In September, we finally recovered our inventory --Then the purchase rate rose four times."With the expansion of the new factory, the company has started to sell t-A range of shirts, sportswear and women's wear.At the same time, demand for jerseys has not slowed.The size and color of the hoodie are now sold out."We are absolutely limited in manufacturing," said Winthrop ."."All of our factories are consuming capacity.How much they can give us, how much we can take."So what's good about this hoodie?First of all, it seems to weigh more than 2 pounds.The fabric is 100% cotton and feels three times thicker than most jerseys.The ribbed paneling along the shoulders and sides helps to create a tailor-made look that eliminates the square profile of most of the hoodie.Bayard said it took him about eight months to design it with the help of former Apple engineers Manoux and world --Steve Moody, a famous graphic designer.Customers seem to like this quality and fit, saying in dozens of reviews on the American giant's website that it is "made very well" and "absolutely awesome "."This jersey is well worth the wait and the price is great."I'm thinking of ordering more products to store the rest of my life, but I'm not sure if this product will wear out," one commenter wrote .".Another person said: "The hype of this hoodie seems ridiculous.But the quality does surprise you once you try.Not the same as a hoodie-Or any other clothes-I once hadA must-have.”An equal —If not biggerThe attraction of American giant's clothing in fit and quality is that it is made in the United States.S.The company said it would "bring back manufacturing to the United States" and promised not to outsource its work overseas.It can pay higher labor costs in the United States.S.Because it's a directto-Consumer business, thus avoiding expensive brick-related overheadand-mortar stores.Winthrop said that he did not intend to open any pop-in order to reduce costs-Like many electronic stores.Retailers did it.He also did not make any investment in large marketing activities.He said these jerseys are on sale.of-mouth.To help with the process, the company offered a referral fee of $15."One of the biggest secrets of the apparel industry is that over the past 40 years, brands have been putting a small amount of money into their products to maintain huge marketing and huge distribution costs, Winthrop said."In the case of American giants, we do almost the opposite.Looking forward to the future, Winthrop said he plans to adhere to the basic principles: t-Shirts, jackets, hoodies and sportswear."When we think about next year, we just have inventory --Product Portfolio not expanded-But just having stock will be a huge lever for us. "He said.