Off White J. Peterman Sz. 6 Cotton Shift Dress Grosgrain Ribbon Summer Cocktail Dry Clean only, measurements in photos. This Off White J. Peterman Size 6 Cotton Shift Dress is a stylish and elegant option for a summer cocktail party. The sleeveless design and zip closure make it comfortable and easy to wear, while the grosgrain ribbon detail adds a touch of sophistication. Crafted from cotton, it is perfect for warm weather and can be dressed up or down to suit any occasion. The ivory color and shift style give it a timeless and classic look that is sure to impress.