Zimmermann Ladies Dresses. Fashion category: Casual Dresses. SKU: 7079DZES-FADED BLUE. Color: Faded Blue. Zimmermann High Neck Smock Cotton Dress. This cotton dress features a high neck, front tie fastening, button fastening at the shoulder, rear zip fastening, three-quarter length sleeves, and a flared hem, with a thigh-length cut. 100% cotton.