Slate did an article on this that backs this up > For an apparel maker designing a garment that will cost $40-$65 to manufacture, and will retail for three tim

Slate did an article on this that backs this up > For an apparel maker designing a garment that will cost $40-$65 to manufacture, and will retail for three times that much or more, it’s simply not worth it to skimp [on zipper price] > Multiple apparel designers I talked to recalled incidents in which batches of non-YKK zippers failed to meet their standards https://slate.com/business/2012/04/ykk-zippers-why-so-many-designers-use-them.html https://slate.com/business/2012/04/ykk-zippers-why-so-many-d...