Clayton Regan Dress in Olive. - size XS (also in ) Clayton Regan Dress in Olive. - size XS (also in ) 95% viscose 5% spandex. Hand wash cold. Unlined. Waist cut-out with tie detail. Front slit. Jersey knit fabric. CLYN-WD197. CLAYSP17 291D. With up-to-the-moment trends for the girl on-the-go, Clayton designs pieces that are just easy. Claytons no-fuss clothing line is full of mini dresses, casual maxis and attention grabbing garments that you cant be without.