The SIMONMILLER Nava Poplin Midi Dress features a relaxed fit, collared V-neckline, and effortless style, making it a versatile wardrobe staple. The SIMONMILLER Nava Poplin Midi Dress features a relaxed fit, collared V-neckline, and effortless style, making it a versatile wardrobe staple. SIMONMILLER is a Los Angeles-based lifestyle brand encapsulating a playful take on classic luxury. Featuring ready-to-wear, footwear, bags, and jewelry, each piece epitomizes the vibrant and mod lifestyle of their CEO and Creative Director, Chelsea Hansford.