This casual Whistles dress has a sporty feel with a luxe element - the perfect style for work or play. It has a sports-inspired tie waist with draping side pockets, a gathered waist and simple sleeveless shape. Brand : Whistles. Dress Shape : Draped. Material : 100% Polyester. Neckline : Round Neck. Size : 16. Sleeve : Sleeveless. Washing Instructions : Hand wash. Featured articles Spring trends.