Tailored with a sleek squareneck, Reformation's Sigmund midi-dress showcases billowy long sleeves and a sleek front slit. Squareneck Long sleeves Side slit Back-zip closure 53% viscose/47% rayon Dry clean Made in USA SIZE & FIt Model measurements: 5'10" tall Model is wearing a US size 4. Contemporary Sportswear - Contemporary Collections > Reformation > Saks Fifth Avenue > Barneys. Reformation. Color: Black. Size: 6.