Never Worn. Size 1 which fits a Size 8. The Jill Tank is designed as an easy go-to and everyday wardrobe staple. Made from a breathable rib with comfortable stretch, it’s a piece you’ll reach for again and again. Featuring a simple scoop neckline with a soft tuck detail at the front, the Jill Tank balances clean lines with subtle shape. Wider straps allow for easy, practical bra wear, making it both considered and functional.