Brigitte Brianna Petra Dress

Regular price$85.00
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18+ Years in Business
Made in the USA | Ships Fast from Utah

The Petra Dress is a beautifully modern take on the classic shirt dress, combining polished tailoring with effortless everyday comfort. Designed for versatility, this dress transitions easily from workdays to travel, errands, church, and casual evenings out.

Crafted from a premium double-knit stretch fabric, the Petra Dress offers structure while remaining comfortable and flexible. The rayon-nylon-spandex blend gently shapes to the body while maintaining a smooth, structured silhouette that holds its polished look throughout the day.

The design features a refined collared neckline with a full button-front closure, giving the dress a clean, tailored appearance. The princess seam construction enhances the natural shape of the body, creating a flattering long, streamlined silhouette without feeling restrictive.

The elbow-length sleeves provide comfortable coverage and balance the sleek maxi silhouette. Subtle side slits at the hem allow easy movement while adding a modern touch that keeps the dress comfortable for walking throughout the day.

With its full-length flowing design and structured tailoring, the Petra Dress pairs effortlessly with sandals, flats, heels, or ankle boots, making it a dependable piece for both casual and elevated styling.

Fabric: 68% Rayon, 28% Nylon, 4% Spandex
Care: Machine wash gentle cold or hand wash cold. Hang dry.


Key Features

  • Premium double knit stretch fabric for structure and comfort

  • Collared neckline with button front closure for a polished look

  • Princess seam tailoring for a flattering silhouette

  • Comfortable elbow-length sleeves

  • Maxi length shirt dress design

  • Modest side slits for movement and comfort

  • Structured yet flexible rayon blend fabric

Note: White color IS translucent; slips and undergarments are recommended for this color if not wearing as a resort wear swim coverup.

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We do our best to ship most orders within 2-3 business days, and our warehouse is open Monday - Friday.

For more information, visit our Shipping Policy

We have a live chat team! Just tap the chat icon in the bottom right of your screen if you have questions about fit, color, material, or just need recommendations!

With 18+ years in business, we believe women are changing the world. We believe in making women's lives better. We believe in comfy, stylish and modest fashion. We believe in being a force for good.

Our signature Brigitte Brianna line is designed by Brigitte, owner of SexyModest, and manufactured in Los Angeles. You can follow her story on Instagram.

Frequent Questions

The double-knit fabric offers structured support while remaining soft and flexible, allowing the dress to keep a polished shape without feeling stiff.

The Petra Dress works well for work, travel, church, casual outings, and everyday wear thanks to its clean, versatile silhouette.

No. The side slits start lower on the dress, allowing comfortable walking movement while maintaining modest coverage.

The princess seam construction creates a long, streamlined shape, making it flattering for many body types including straight, hourglass, and pear shapes.

Customer Reviews

Overall rating: 4.6 / 5 from 8 reviews.

Customer photo review of Brigitte Brianna Petra Dress

I received several compliments on the white Petra dress. It's comfortable and summery.

Customer photo review of Brigitte Brianna Petra Dress

I absolutely love this dress! So flattering while being so breathable and modest. I did stitch the side slits about an inch or two since they showed the bottoms of mg G’s (I do have long legs). I’m 5’6”, 130 lbs and got a medium. Super tempted by the plum color as well. Love that cooler shade. The navy is just so classic and this cut of dress works so well with sandals and a straw belt. Looking forward to wearing this one lots and lots!

To be honest when I first got this, I hated the color- it seemed almost grey, but I went ahead and wore it to church and with cute heals and jewelry it was actually very nice. I received many compliments.

Originally I purchased SM but needed to return for M. I love wearing it! So comfortable.

I wore it in my last trip to Turkey and just loved how chic it looked. Perfect for a hot day.

I love this dress so much I bought another color! The fabric is great, the design perfect, and I’m positive it will be worn often!

Very comfortable and cute!

I am trying to return this item but the return page is not working.


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