Apiece Apart Abierta Open-Knit Tank Top in Black - Size XS. Apiece Apart's Abierta Tank is an easy layer crafted from a linen knit. The Abierta Tank features a crew neck, a sheer crochet style knit, side slits, and a relaxed silhouette. fits true to size - model is wearing a size small 100% linen. This tank is in like-new condition. Retail $375, selling for $125!