Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

The Sei

Products

Products

The Sei

Oversized Blazer - FINAL SALE

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$314.00$897.00

65% off

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

You might also like

65% off

The Sei

Crepe Bias Maxi Skirt - FINAL SALE

65% off

The Sei

Oversized Silk Blazer - FINAL SALE

$370.00$1,058.00

65% off

The Sei

Asymmetrical Lapel Top - FINAL SALE

Antonella Midi Dress

Jessie Boutique

Amanda Uprichard - Antonella Midi Dress - Atlantic

The Sei

Cut Out Bias Gown

65% off

The Sei

Wide Leg Trouser - FINAL SALE

Moda Mia Boutique

Oversized Blazer

65% off

The Sei

Bias Maxi Skirt - FINAL SALE

BLACK

Jessie Boutique

Cult Gaia - Ambar Knit Dress - Black

65% off

The Sei

Wide Leg Trouser - FINAL SALE

65% off

The Sei

Strapless Gown With Arm Drape - FINAL SALE

$445.00$1,265.00

71% off

The 308 Boutique

Suede Oversized Blazer

65% off

The Sei

Flutter Top - FINAL SALE

Jessie Boutique

Bronx and Banco - Geisha Maxi Dress - Powder Blue

30% off

The Sei

Strappy Diaphanous Gown

$925.00$1,322.00

65% off

The Sei

Gala Bias Skirt With Slit - FINAL SALE

65% off

The Sei

Slouchy Leather Blazer - FINAL SALE

$664.00$1,898.00

The Sei

Oversized Silk Blazer

50% off

Jessie Boutique

Amanda Uprichard - Tisha Dress - Russet

The Sei

Bias Maxi Skirt

65% off

The Sei

Gala Bias Skirt With Slit - FINAL SALE

65% off

The Sei

Off Shoulder Top - FINAL SALE

Jessie Boutique

The Sei - Cami Gown W/ Slit and Cape - Carbon

65% off

The Sei

Bias Maxi Skirt - FINAL SALE

65% off

The Sei

Flutter Top - FINAL SALE

65% off

The Sei

Oversized V-Neck Sweater - FINAL SALE

SideJeans

Heavy Blazer

(1)

65% off

The Sei

Asymmetrical Lapel Top - FINAL SALE

30% off

The Sei

Cowl Bustier Gown

$909.00$1,299.00

65% off

The Sei

Diaphanous Dress- FINAL SALE

$369.00$1,058.00

Polished fall fits

Polished fall fits

Skorts, blazers, and flats.

65% off

The Sei

Cinch Blazer - FINAL SALE

30% off

The Sei

Halter Vest

50% off

Jessie Boutique

Cami NYC - Una Knit Midi Dress - Carbon

65% off

The Sei

Oversized Blazer - FINAL SALE

65% off

The Sei

Wide Leg Trouser - FINAL SALE

65% off

The Sei

Cross Wrap Halter Top - FINAL SALE

50% off

Jessie Boutique

Ramy Brook - Helen Floral Embellished Sleeveless Gown - Black

65% off

The Sei

Curved Bustier Mini Dress - FINAL SALE

65% off

The Sei

Double Pleat Trouser - FINAL SALE

65% off

The Sei

One Shoulder Gown With Sheer Slit - FINAL SALE

$407.00$1,162.00

30% off

The Sei

Off Shoulder Top

50% off

Jessie Boutique

Amanda Uprichard - Franny Dress - Freesia

30% off

The Sei

Long Sleeve Asymmetrical Drape Sweater

30% off

The Sei

Boyfriend Trouser

65% off

The Sei

Oversized Blazer - FINAL SALE

65% off

The Sei

Slouchy Leather Blazer - FINAL SALE

$665.00$1,898.00

65% off

The Sei

Oversized Silk Blazer - FINAL SALE

$370.00$1,058.00

Jessie Boutique

The Sei - Cowl Bias Gown - Dusty Rose

The Sei

Relaxed Trouser

65% off

The Sei

Relaxed Trouser - FINAL SALE

65% off

The Sei

Leaf Gown- FINAL SALE

$429.00$1,219.00

Trend watch: the '90s slip

Trend watch: the '90s slip

Silky midis, maxis, and skirts

65% off

The Sei

Oversized Blazer - FINAL SALE

65% off

The Sei

Leather Crop Dinner Jacket - FINAL SALE

(1)

$430.00$1,230.00

The Sei

Boyfriend Trouser

30% off

The Sei

Strappy Diaphanous Gown

(1)

$925.00$1,322.00

50% off

Jessie Boutique

Amanda Uprichard - Victoria Dress in Multiple Colors

64% off

The Sei

Strap Top - FINAL SALE

The Sei

Strappy Diaphanous Gown

65% off

The Sei

Double Breasted Blazer - FINAL SALE

65% off

The Sei

Cinch Blazer - FINAL SALE

65% off

The Sei

Double Pleat Trouser - FINAL SALE

50% off

Jessie Boutique

Amanda Uprichard - Marshall Silk Dress - Black

65% off

The Sei

Double Strap Top - FINAL SALE

65% off

The Sei

Lace Inset Cowl Gown - FINAL SALE

$435.00$1,242.00

65% off

The Sei

Boyfriend Trouser - FINAL SALE

Ashton Maxi

Jessie Boutique

Amanda Uprichard - Ashton Maxi - Endive

65% off

The Sei

Twist Bandeau Cut Out Gown- FINAL SALE

$389.00$1,104.00

65% off

The Sei

Double Pleat Shorts - FINAL SALE

65% off

The Sei

Gala Bias Skirt With Slit - FINAL SALE

65% off

The Sei

Drop Sleeve Wrap Blouse - FINAL SALE

Ashton Maxi

Jessie Boutique

Amanda Uprichard - Ashton Maxi - English Lavender

65% off

The Sei

Cross Wrap Halter Top - FINAL SALE

65% off

The Sei

Long Sleeve Wrap Gown - FINAL SALE

$430.00$1,231.00

30% off

The Sei

Oversized Silk Blazer

$757.00$1,081.00

65% off

The Sei

Cinch Blazer - FINAL SALE

65% off

The Sei

Relaxed Trouser - FINAL SALE

Esther Gown

Jessie Boutique

Amanda Uprichard - Esther Gown - Aero

65% off

The Sei

Oversized Blazer - FINAL SALE

The Refinery

Oversize Spring Blazer

30% off

The Sei

Halter Bias Gown

50% off

Jessie Boutique

Bahia Maria - Cartagena Dress - Shiny Green

65% off

The Sei

Cami Gown - FINAL SALE

65% off

The Sei

Vest - FINAL SALE

65% off

The Sei

Oversized Blazer - FINAL SALE

30% off

The Sei

Strappy Diaphanous Gown

$925.00$1,322.00

Jessie Boutique

Bronx And Banco - Camila Halterneck Double Cutout Mini Dress - White

65% off

The Sei

Wrap Gown With Detachable Ostrich Trim - FINAL SALE

$443.00$1,265.00

65% off

The Sei

Boyfriend Trouser - FINAL SALE