Siena™ | Sophisticated Midi Dress
4.8 / 5 Starts ( 847+ Reviews )

Siena™ | Sophisticated Midi Dress

$199.95 $59.95 SAVE 70%

Free Shipping Across The U.S.

30-Day Money Back Guarantee

Designed for Comfort & Timeless Elegance

Color
Size
Only 5 left — almost sold out
REBUILD SALE — EXTRA DISCOUNTS
Buy 2 — Save 10% | Buy 3 — Save 15%
Buy 4 — Save 20% | Buy 5 — Save 25%
Discounts apply automatically at checkout

Designed for the modern woman, this midi dress is an ode to simplicity and sophistication. Its effortless drape and timeless shape ensure enduring appeal. Perfect for those who appreciate refined, effortless luxury.

  • Sophisticated Look: Instantly elevates your everyday style

  • Fluid Silhouette: Moves beautifully with natural ease

  • Comfort with Class: Combines elegance and relaxation

  • Timeless Versatility: A must-have for any elegant wardrobe

Only during the Anniversary sale: Free Shipping nationwide:

Every order ships free across the United States with USPS. You will receive your tracking code by email within 1 to 3 business days after your order is placed, so you can follow your parcel every step of the way.

I want you to love this piece. If for any reason it is not right for you, You can return it within 30 days of receipt. Email us at info@haroldmabelnewyork.com and we will take care of everything.

Please let us know why you're returning it and state your order details, this helps us process your request smoothly.

Check our return policy for more details! We're here to help!

Every message sent to William & Nancy is read with care by our small support team. Whether you need help with sizing, styling, or checking on your order, we’re always happy to assist you.

I Won't Let My Parents' Dream Disappear

In 1985, my mom and dad — William & Nancy — opened this little boutique here in Florida. For almost forty years, they helped women feel beautiful, elegant, and completely themselves.

Now it's my turn to carry it forward.

And I'll be honest with you: it hasn't been easy. I've made mistakes — real ones. I never wanted my parents to step in. I never asked them to. But because of where my mistakes left us, they did something I'll never forget: they put their last pension savings into this store — not because they had to, but out of love for me, and for the place they built.

So now it's on me to make it all worth it. To not fail them — not in their eyes, and not in mine.

That's why I'm doing something they never did — our entire collection, up to 70% off.

Not as a gimmick. But because this store is their life's work, and I refuse to be the one who lets it go.

Enjoy beautiful clothing — and help me keep my family's dream alive.

With all my heart, thank you.

— On behalf of William & Nancy

CUSTOMERS LOVE OUR BOUTIQUE

from 847+ customer reviews

<p><strong>CUSTOMERS LOVE OUR BOUTIQUE</strong></p>

What a lovely boutique. The pieces are beautiful, comfortable, and easy to wear. I’ve ordered multiple times now and every experience has been wonderful. You can really feel the care behind the brand.

TRUDY HALVERSON

<p><strong>CUSTOMERS LOVE OUR BOUTIQUE</strong></p>

The quality is amazing. I get so many compliments every time I wear something from William & Nancy. Everything feels comfortable, elegant, and beautifully made. Customer service was also incredibly kind and helpful when I had a sizing question. Definitely one of my favorite boutiques.

@theworldisyours

<p><strong>CUSTOMERS LOVE OUR BOUTIQUE</strong></p>

I absolutely love the dresses I ordered. The fabrics feel soft and lightweight, and the fit was perfect. The customer service team was so friendly and helpful as well. I’ll definitely be ordering again. 😊


FAYE MIDDLETON

<p><strong>CUSTOMERS LOVE OUR BOUTIQUE</strong></p>

This was my second order and once again I’m so happy with everything. The clothing feels elegant without sacrificing comfort, which is exactly what I look for. Shipping was smooth and the quality exceeded my expectations. ❤️

JOLENE WHITMORE

<p><strong>CUSTOMERS LOVE OUR BOUTIQUE</strong></p>

My first time shopping with William & Nancy and I couldn’t be happier. The dress was beautiful, flattering, and incredibly comfortable to wear. Thank you for making online shopping feel so personal and easy.

HARRIET SPELLMAN

<p><strong>CUSTOMERS LOVE OUR BOUTIQUE</strong></p>

I’ll be honest, I wasn’t sure at first if these styles would suit me, but I’m so glad I gave William & Nancy a try. Everything fits beautifully, feels comfortable, and looks even better in person. I’ve already received so many compliments. This has quickly become one of my favorite boutiques.

NOREEN BATTAGLIA

<p><strong>CUSTOMERS LOVE OUR BOUTIQUE</strong></p>

I was a little skeptical about ordering online at first, but I’m genuinely impressed with the quality and fit of the pieces I received. The dresses feel elegant, lightweight, and easy to wear. Everything arrived beautifully packaged and exactly as shown.

TERRI BOSWORTH

<p><strong>CUSTOMERS LOVE OUR BOUTIQUE</strong></p>

Absolutely love these dresses. The colors are beautiful, the fabrics feel amazing, and they’re so comfortable to wear all day. My daughter and I both ordered pieces and we couldn’t be happier. We’ll definitely be back for more. 💙

BONNIE SHERIDAN

<p><strong>CUSTOMERS LOVE OUR BOUTIQUE</strong></p>

William & Nancy has become my go-to boutique for timeless dresses and easy everyday elegance. The website is simple to shop, customer service has been wonderful, and every order has exceeded my expectations. I always look forward to my next package.

DARLENE PEMBERTON

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FAQs

Yes, we offer free shipping on all orders. We want to make sure your purchase arrives quickly and safely at no extra cost.

Absolutely! You can return your order within 30 days of receiving it. Items must be unworn, undamaged, and in their original condition. Simply reach out to us through our Contact Page or email us directly at info@williamnancy.com, and we’ll guide you through the return process.

Once your order has been processed, you will receive a confirmation email with your personal tracking number. You can then track your package anytime through our Order Tracking Page.

You can shop safely and securely with the following payment methods:

  • Credit Cards (Visa & Mastercard)
  • Apple Pay
  • Google Pay
  • Shop Pay

Yes, your payment is 100% secure. We use industry-standard SSL encryption to protect your information and ensure a safe checkout process.

FREE SHIPPING

Enjoy free shipping across the United States during our Anniversary Sale! Shop your favorite most comfortable coastal styles and get them delivered on us!

30-DAY MONEY BACK GUARANTEE

At WillamNancy, we believe in being comfortable in your clothing. So, enjoy our 30-day return policy for a certainty of comfort.

Breathable materials

We use soft and breathable fabrics that feel light and gentle on the skin and stay comfortable during warm days without ever clinging or overheating.