Essential Rib Wide String Tank Premium Standard 02. The Essential Rib Tank Madewell Premium Standard 02. The Essential Rib Tank Madewell Essential Rib String Tank Rib Essentials Tank in Green SAVAGE X FENTY. Ribbed cotton construction Scoop neckline Sleeveless design Relaxed fit Premium finishing details Easy care fabric The rag & bone Essential Rib Wide String Tank delivers contemporary minimalism with versatile everyday style. Crafted from soft ribbed cotton in olive green, featuring a scoop neckline and relaxed fit that moves with your body. The premium ribbed construction and clean aesthetic create a foundational piece for modern layering.