Galvan Prism Pinstripe Cutout Thigh Slit Maxi Dress Neiman Marcus Shop Prism Boutique Dresses Prism Dress in Sunrise Altar PDX Shop Prism Boutique Dresses Page 2. Discover timeless sophistication with the Prism Maxi Dress, designed for those who value both style and practicality. This sleeveless silhouette features a refined collared neckline and convenient front button closure for effortless dressing. The smocked waist creates a graceful, flattering fit while functional side pockets add everyday utility. Crafted from breathable lightweight fabric, this dress transitions seamlessly from day to evening, offering comfort without compromise.