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Sunday

The Seaside Dress - Efleure

The Seaside Dress - Efleure

Regular price $49.99 USD
Regular price Sale price $49.99 USD
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★★★★★ "Lived in this on our whole trip - beach in the morning, dinner at night, never changed once. Compliments daily." - Mia, San Diego CA

He thinks it's just a dress… until you turn around.

  • ✅ Resort-ready in one piece - beach to dinner, zero outfit changes.
  • ✅ Adjustable open back - as covered or as daring as you want.
  • ✅ Fully opaque, lightweight and breezy in the heat.
  • ✅ Effortlessly beautiful. Zero makeup, zero styling required.
  • ✅ Packs flat, shakes out wrinkle-free - your perfect travel dress.

📏 Fits every body type. Our model is 5'5" / 143 lbs and wears a size S. Sits above the knee for an easy, breezy length. Runs relaxed - when in doubt, size down.

Fabric

A soft, airy polyester blend that moves with you and breathes all day in the sun.

The Sunday 100-day promise

Wear your Seaside Dress for 100 days. If you don't feel effortlessly beautiful in it, we'll refund you in full - no questions asked. 🚚 Fast shipping (5-8 days) · 🗓️ 100 days to try it · ↩️ Free & easy returns.

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★★★★★

"I'm 5'8" and got the L. He literally stopped mid-sentence when I turned around 😅 Now it's the only thing I want to wear all summer."

Hannah — Austin, TX
Effortless at home
Effortless

Zero makeup. Zero styling. Still stunning.

You wake up, you slip it on… and that's it. You feel beautiful at home, barefoot, with zero effort.

The open back
The detail

It's all in the back.

Adjust it however you like — closed up for an elegant look, or open for something a little more daring.

Light and breathable
Featherlight

So light you'll forget you have it on.

It feels like wearing nothing at all — without being naked. Ultra-soft, airy and breathable. Made for hot summer days.

He won't forget
The effect

You might forget about it. He won't.

The cut and the open back create an effect he won't be getting out of his head anytime soon.

Vacation ready
One dress, all summer

It already smells like vacation.

At home, at the beach, traveling… one dress for the entire summer. Put it on in the morning and never think about it again.

Find your fit

Size Guide

SizeBustShort lengthLong length
XS36" (92 cm)34.5" (88 cm)46.5" (118 cm)
S38" (96 cm)35.5" (90 cm)47" (120 cm)
M39.5" (100 cm)36" (92 cm)48" (122 cm)
L41" (104 cm)37" (94 cm)49" (124 cm)
XL43" (110 cm)38" (96 cm)49.5" (126 cm)
XXL45.5" (116 cm)38.5" (98 cm)50.5" (128 cm)
⚠️ This dress runs relaxed — when in doubt, size down.
Good to know

Frequently asked

How long until I get my order?

We ship within 24–48h of your order. Delivery typically takes 5–8 business days. You'll get an email with a tracking number to follow your package every step of the way.

Will it fit me?

Order your usual size. The cut is intentionally relaxed for a flattering, easy oversize feel. Between two sizes? Size down for a closer fit.

Is it see-through?

No. The fabric is fully opaque — wear it with confidence, at home or out and about.

Is the bust supported?

Yes. The straps are adjustable and provide comfortable support for every body type. No bra needed underneath.

Does it work for petite women?

It's a long dress — it hits the ankle on a 5'5" model. Under 5'3", it'll run a little longer. Two options: have it hemmed, or wear it flowing for a relaxed boho vibe.

What's it made of?

A soft, light, breathable polyester-based fabric that feels great all day without clinging to your skin.

How do I care for it?

Machine wash cold (30°C / 86°F). Air dry to keep the fabric in great shape.

Can I return it if it's not for me?

Of course. You're covered by our 100-day promise: if you're not in love with it, send it back and we'll refund you in full.

Risk-free

Try your Rivière Dress for 100 days.

If you don't feel effortlessly beautiful in it — or if he somehow doesn't notice 😅 — we'll refund you in full. No questions asked.

🚚 Fast shipping (5–8 days)
🗓️ 100 days to try it
↩️ Free & easy returns
🚚
Complimentary shipping
On orders over $50
↩️
Easy 100-day returns
Love it or send it back
🎁
Beautifully packaged
Ready to gift
💬
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