Mountain Khakis Women's Size Chart Surrounded by the Sawtooth Mountains, the town of Hailey, Idaho is a true gem of America. It's outdoorsy and downright adorable, and is the inspiration for the Hailey series. The Tank features a keyhole back and drapey silhouette. Made from 78% modal/22% poly with a specila 'sanded' finish. Features: - Keyhole back - Drapey silhouette - Relaxed fit - 2.9oz 78% Modal, 22% Polyester Sanded Finish