And there???s no shortage of white jeans, which are showing up in the spring and summer lines of J Brand, MIH and 7 for All Mankind.Shoppers may also notice a ???60s and ???70s aesthetic dictating the shape of denim this season.???Denim flares are really hot,??? says Caprice C. Willard, vice president-regional planning manager for Macys, where brands such as and Levi???s have incorporated the styl