The Essential Rib Tank Black rag & bone Ribbed Tank HolStrength ribbed tank stretchy material stretchy straps Depop Drapey Rib Tank Madewell Essential Rib String Tank Black rag & bone. The Stretch Rib Tank is designed for a snug fit with a high neckline and sleeveless style. Its ribbed fabric feels soft and flexible, making it easy to move in. Lightweight and breathable, this tank is ideal for layering or wearing on its own. Soft ribbed material Stretches for comfort Breathable and light