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The zipper fly-front is a traditional zipper application for men’s trousers. Nowadays, most of women’s pants have the same kind of front closure. The only difference really is in the plackets lap direction: in women’s clothes it laps right over left (as shown in this tutorial); and in men’s wear it laps left over right. And even that doesn't seem to be a set rule anymore, since most RTW companies do zipper flys on women's pants where left laps over right. Same goes for jeans.
PS This is no “entry level” self-fly tutorial.
