7 For All Mankind Stretch-Cotton Slim Jeansdark blueBefore 7 For All Mankind was established, the market for sophisticated denim with a casual feel was barren. After launching in 2000, the brand soon garnered an array of fans who craved its flattering cuts and comfortable fabrics, two qualities that make up these slim jeans.Before 7 For All Mankind was established, the market for sophisticated denim with a casual feel was barren. After launching in 2000, the brand soon garnered an array of fans who craved its flattering cuts and comfortable fabrics, two qualities that make up these slim jeans.