Assembly Label, Asymmetrical Tank Pool. The Asymmetrical Organic Jersey Tank combines the style of a flattering asymmetric neckline with the casual ease of a cotton tank. Crafted from a heavy-weight ribbed jersey that feels supportive and hugs the body, this organic cotton tank has a slightly cropped length. This one-shoulder style will go with everything in your wardrobe, from skirts and denim to tailored trousers.