Skirt and shirt – Calvin Klein
Shoes – Tom Ford
Kim wore this outfit in white https://www.outfitidentifier.com/kim-kardashian/who-made-kim-kardashians-cropped-white-sweater-high-waisted-skirt-snake-print-ankle-strap-pumps-and-tote-handbag/
Alessandro wore this in white too https://www.outfitidentifier.com/alessandra-ambrosio/who-made-alessandra-ambrosios-nude-sandals-white-skirt-and-white-cropped-sweater/