Sienne Midi Dress
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Make a bold statement with the Sienne Midi Dress, a stunning mix of vibrant colors and artful prints. Designed with a relaxed button-front silhouette and collared neckline, this dress flows effortlessly with every step. Long blouson sleeves add a touch of sophistication, while the tiered colorblocking of emerald green, sapphire blue, and ruby red brings a playful, worldly charm.
Perfect for both everyday wear and elevated evenings, this versatile midi pairs beautifully with strappy sandals or heeled mules.
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Collared neckline with button front
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Long sleeves with elastic cuffs
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Colorblock floral and geometric border print
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Relaxed, flowy fit
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Length: Midi
Contact us to find your size at one of our retail partners!
- All full-priced items can be returned for either an exchange, refund or store credit within 14 days of purchase
- Your return must be sent back within 7 days of being approved
- Item(s) must be in original condition (unworn and unwashed with all tags attached)
- Return authorization has been approved via email
- The shipping cost to return item(s) is payable by the customer
- Briton Court reserves the right to deny a return if it does not meet the conditions above.
Briton Court Women's Size Chart
Alpha |
Numeric |
Bust |
Waist |
Hip |
| XS | 0 - 2 | 33.5" - 34.5" | 25.5" - 26.6" | 36" - 37" |
| S | 4 - 6 | 35.5" - 36.5" | 27.5" - 28.5" | 38" - 39" |
| M | 8 - 10 | 37.5" - 38.5" | 29.5" - 30.5" | 40" - 41" |
| L | 12 - 14 | 40" - 41.5" | 32" - 33.5" | 42.5" - 44" |
Size chart reflects body measurements, not garment measurements.
If you're on the borderline between two sizes, order the smaller size for a tighter fit or the larger size for a looser fit. Still not certain? Use our easy return policy to order multiple sizes. Keep the size you love and return the others.
How to Measure
Bust: Pass a tape measure around your back, under your arms, and take the measurement at the fullest part of your chest.
Waist: Pass a tape measure around the most narrow part of your waist. Bending to the side will show the crease of your waistline.
Hips: Standing with feet together pass a tape measure around your hips. Be sure the tape is passing over the fullest curve of your seat.

















