FRAME Denim Tank Dress in Black. - size M (also in ) FRAME Denim Tank Dress in Black. - size M (also in ) A form-fitting number crafted from luxe rib knit, this piece from FRAME Denim is the little black dress your daily rotation needs. Featuring a midi-length hem and a sleek racerback, it layers effortlessly and stands alone exquisitely.. 47% micro modal 47% supima cotton 6% spandex. Hand wash cold. Unlined. Rib knit fabric. FDEN-WD12. LWKD0001. In 2012, London based Swedes Jens Grede and Erik Torstensson came together with the intention of producing the ideal pair of jeans, FRAME Denim collectively brings the quality and legacy of denim manufacturing in Los Angeles, with the influence of a London style, cut and fit.