BLQ BASIQ Shift Dress in Black. - size 0 (XS/S) (also in ) BLQ BASIQ Shift Dress in Black. - size 0 (XS/S) (also in ) 95% rayon 5% nylon. Hand wash cold. Unlined. BLQB-WD72. DAS159. For basics that were made to be lived in BLQ Basics makes the cute. Strong lines, rich fabrics, and ultimate style make up this must-have line.