APIECE APART Knit Cold Shoulder Top in Black & White. - size L (also in ) APIECE APART Knit Cold Shoulder Top in Black & White. - size L (also in ) Classic tones lend to the vintage-yet-new aesthetic of APIECE APART's Knit Cold Shoulder Top. This cropped piece features bare shoulders and a front keyhole, all lined with contrasting ruffled trim.. 100% cotton. Hand wash cold. Neckline keyhole with button closure. Ruffle neckline and peplum waist. Open shoulders. Rib knit fabric. APIR-WS7. AA47700.