In 2020, four designers came together to create their very own label. The Sei is an LA-based brand creating ready-to-wear that inspires, empowers, and never ceases to impress. It explores the contrast of strong, structured styles with irresistibly feminine drapes and folds. The end results? Polished classics and captivating silhouettes.

The Sei’s creations are designed for women, by women, to transcend generations and lifestyles. They range from lustrous silk sets and show-stopping gowns to endlessly versatile essentials.

Size
Material
Apply
Clear
70 Products
Sort by
  • Recommendation
  • New arrivals
  • Price (low-high)
  • Price (high-low)
Filters
Sort by
S
Clear all filters
new
Sequined lace-trimmed silk satin gown | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
exclusive
Draped silk charmeuse bustier gown | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
exclusive
Draped silk charmeuse bustier gown | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
exclusive
Sequined halterneck gown | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
exclusive
Sequined gown | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
exclusive
Sequined halterneck gown | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
exclusive
Sequined halterneck gown | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped silk charmeuse top | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Silk charmeuse maxi skirt | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
exclusive
Draped silk satin top | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
exclusive
Silk charmeuse maxi skirt | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
exclusive
Draped silk charmeuse top | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
exclusive
Silk charmeuse maxi skirt | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped corset | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Crêpe wide-leg pants | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped silk charmeuse maxi skirt | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped open-back silk charmeuse gown | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Double-breasted silk satin blazer | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Silk satin camisole | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped open-back silk charmeuse gown | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped silk charmeuse maxi skirt | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped silk satin corset top | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped one-shoulder silk satin top | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Silk satin camisole | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped open-back silk charmeuse gown | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Double-breasted silk satin blazer | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Caped one-shoulder silk satin gown | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Sequined one-shoulder lace top | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Silk satin maxi skirt | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped one-shoulder silk satin top | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped one-shoulder silk satin gown | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped strapless silk satin gown | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
One-shoulder draped silk satin gown | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Caped silk gown | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped corset | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Belted silk blouson jacket | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Crêpe wide-leg pants | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Sequined gown | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped silk satin gown | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped silk satin top | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Double-breasted silk satin blazer | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Silk satin maxi skirt | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Bardot draped silk charmeuse gown | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Bardot off-shoulder silk charmeuse gown | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Silk satin maxi skirt | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped silk satin top | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Halterneck silk charmeuse top | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Silk satin maxi skirt | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Bardot off-shoulder silk charmeuse gown | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Double-breasted silk blazer  | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Halterneck silk satin top | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
exclusive
Draped silk charmeuse bustier gown | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
exclusive
Draped silk charmeuse bustier gown | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped one-shoulder silk charmeuse gown | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
Draped asymmetric silk satin gown | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
exclusive
Silk satin bustier gown | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
new season
One-shoulder silk satin top | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
Double-breasted silk satin blazer | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
Silk satin wide-leg pants | The Sei
The Sei
Available sizes:US 00 / 4 XSUS 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
Caped silk satin gown | The Sei
The Sei
Available sizes:US 0 / XXXSUS 2 / XXSUS 4 / XSUS 6 / SUS 8 / MUS 10 / L
You've viewed 60 out of 70 products