A Denim Designer Reveals the Biggest Mistake You Can Make Buying Jeans

David Koral only started his eponymous jeans line Koral Denim a year ago, but he already had a lifetime of industry experience before he launched the brand. For Koral, denim is a family business. His father, Peter Koral, founded the much-loved jeans brand 7 For All Mankind in 2000, and now he's working with David on the new venture. "To say the least, it's an interesting relationship," the younger Koral told us in an interview. "If you could imagine, father and son working together in the same o...