Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Sulfur. Closure: zipped back.

The Sei Draped silk gown

The Sei Curved Bustier Mini Dress in Black Self: 100% polyester Self 2: 90% viscose 10% polyester Lining: 96% polyester 4% elastane. Made in USA. Dry clean only. Fully lined. Hidden back zipper closure. Boned design at bodice. Sequin embellished fabric. TSEX-WD106. TS-9151. About the designer: THE SEI is a luxury ready-to-wear collection based in L.A. and founded in 2020 by an all-female team of diverse individuals. With prior experience working together at Michelle Mason, the team set out on their own venture where THE SEI was born. The brand sets out to create thoughtful pieces, designed for women—by women, expanding beyond a range of generations and lifestyles. THE SEI aims to build a foundation of polished classics mixed with seductive silhouettes inspired to empower women to feel at their most confident and balanced self, while remaining effortless and timeless.

The Sei Curved Bustier Mini Dress in Black

Lining II: 100% silk, partially lined. Material: 5% metallic fibres, 5% elastane, 90% polyamide. Made in the USA. Designer color name: Frost. Lining: 97% polyamide, partially lined, 3% elastane. Care instructions: dry clean.

The Sei Sequined one-shoulder gown

Lining: 100% silk. Made in China. Material: 100% silk. Care instructions: dry clean.

The Sei Cutout silk gown

Material: 90% polyamide, 5% metallic fibres, 5% elastane. Care instructions: dry clean. Made in the USA. Designer color name: Galaxy. Lining: 97% polyamide, 3% elastane. Closure: zipped back.

The Sei Sequined cutout gown

Made in China. Material: 100% silk. Care instructions: dry clean. Designer color name: Hot Pink.

The Sei Asymmetric silk satin gown

Made in China. Material: 100% silk. Care instructions: dry clean. Designer color name: Sage.

The Sei One-shoulder cutout silk gown

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Mango.

Lining: 100% partially lined, silk. Made in China. Material: 100% silk. Care instructions: dry clean.

The Sei Asymmetrical cutout silk gown

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Dijon.

The Sei Cutout one-shoulder silk satin midi dress

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Poppy.

The Sei One-shoulder silk satin gown

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Chocolate.

The Sei Draped one-shoulder silk gown

Material: 94% polyester, 6% elastane. Care instructions: dry clean. Made in the USA. Designer color name: Black Foil. Lining: 94% polyester, 6% elastane.

The Sei One-shoulder metallic jersey gown

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Baby Blue. Closure: zipped side, self-ties.

The Sei One-shoulder silk gown

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Hot Pink. Lining: 100% silk.

The Sei Silk satin gown

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Amethyst. Lining: 100% silk.

The Sei Asymmetric silk gown

Material: 92% polyester, 8% elastane. Care instructions: dry clean. Made in the USA.

The Sei One-shoulder ruched mesh midi dress

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Champagne. Lining: 100% silk. Closure: self-ties.

Material: 92% polyester, 8% elastane. Care instructions: dry clean. Made in the USA. Designer color name: Baby Blue. Lining: 87% polyamide, 13% elastane.

The Sei Drape-detail ruched chiffon minidress

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Marine. Closure: zipped side.

The Sei Draped one-shoulder silk satin gown

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Leaf. Lining: 100% silk.

The Sei One-shoulder ruched silk satin gown

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Garnet. Side slits.

The Sei One-shoulder silk charmeuse gown

Material: 80% rayon, 20% silk. Care instructions: dry clean. Made in China. Designer color name: Chocolate. Trim: 100% silk.

The Sei One-shoulder silk velvet gown

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Icy Lilac. Material II: 100% nylon. Lining: 100% silk. Closure: self-ties.

The Sei Lace-trimmed silk satin gown

Material: 100% silk. Care instructions: dry clean. Made in China. Closure: zipped side.

The Sei Silk gown

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Parakeet.

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Lake. Lining: 100% silk.

The Sei One-shoulder silk satin midi dress

Material: 100% silk. Care instructions: do not wash. Made in China. Designer color name: Icy Lilac. Closure: hook fastening, invisible zipper.

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Uni. Material II: 100% nylon. Lining: 100% silk. Closure: self-ties.

Made in China. Material: 100% silk. Care instructions: dry clean.

The Sei Asymmetrical silk satin gown

Lining: 100% silk, partially lined. Made in China. Closure: zipped side. Material: 100% silk. Care instructions: dry clean.

The Sei Asymmetrical silk satin minidress

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Tin. Closure: zipped side.

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Pine.

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Peony. Closure: zipped side.

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Frost. Lining: 100% silk.

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Blossom. Lining: 100% silk.

The Sei Draped cutout silk satin gown

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Honey.

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Poppy. Closure: zipped side.

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Baby Blue. Closure: zipped side.

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Uni. Closure: hook fastening, invisible zipper. Lining: 100% silk.

The Sei Draped silk satin wrap gown

Material: 94% polyester, 6% elastane. Care instructions: dry clean. Made in the USA. Designer color name: Silver Foil.

The Sei One-shoulder jersey minidress

Material: 5% metallic fibres, 90% polyamide, 5% elastane. Made in the USA. Care instructions: dry clean. Designer color name: Frost.

The Sei Sequined gown

Material: 90% polyamide, 5% metallic fibres, 5% elastane. Care instructions: dry clean. Made in the USA. Designer color name: Galaxy. Lining: 97% polyamide, 3% elastane.

The Sei Embellished jersey gown

Lining: 100% silk, partially lined. Made in China. Material: 100% silk. Care instructions: dry clean.

The Sei One-shoulder silk midi dress

Lining: 100% silk, partially lined. Made in China. Material: 100% silk. Designer color name: Canary. Care instructions: dry clean.

The Sei Halterneck silk charmeuse gown

Material: 100% silk. Care instructions: dry clean. Made in China.

Lining: 100% silk. Made in China. Material: 100% silk. Designer color name: Poppy. Care instructions: dry clean.

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Leaf. Closure: zipped side.

The Sei Draped one-shoulder silk maxi dress

Material: 96% polyester, 4% elastane. Care instructions: dry clean. Made in the USA. Designer color name: Silver Foil. Lining: 94% polyester, 6% elastane.

The Sei Metallic jersey gown

Material: 100% silk. Care instructions: dry clean. Made in China. Lining: 100% silk. Closure: zipped side, invisible zipper.

The Sei One-shoulder silk satin maxi dress

Material: 87% polyamide, 13% elastane. Care instructions: dry clean. Made in the USA. Designer color name: Peony. Two-piece set. Material II: 92% polyester, 8% elastane. Lining: 87% polyamide, 13% elastane.

Material: 100% silk. Care instructions: dry clean. Made in China. Designer color name: Bisque. Lining: 100% silk.

The Sei One-shoulder cutout silk minidress

The Sei Diaphanous Mini Dress in Black 100% silk. Made in China. Dry clean only. Partially lined. Hidden side zip closure. TSEX-WD69. TS9088. About the designer: THE SEI is a luxury ready-to-wear collection based in L.A. and founded in 2020 by an all-female team of diverse individuals. With prior experience working together at Michelle Mason, the team set out on their own venture where THE SEI was born. The brand sets out to create thoughtful pieces, designed for women—by women, expanding beyond a range of generations and lifestyles. THE SEI aims to build a foundation of polished classics mixed with seductive silhouettes inspired to empower women to feel at their most confident and balanced self, while remaining effortless and timeless.

The Sei Diaphanous Mini Dress in Black

The Sei Long Sleeve Cut Out Gown in Slate Self: 90% polyamide 5% metallic 5% elastane Lining: 97% polyamide 3% elastane. Made in USA. Dry clean only. Fully lined. Hidden back zipper closure. Front cut-out. Allover sequin detail with side seam slit. Stretch jersey fabric. TSEX-WD81. TS-9119. About the designer: THE SEI is a luxury ready-to-wear collection based in L.A. and founded in 2020 by an all-female team of diverse individuals. With prior experience working together at Michelle Mason, the team set out on their own venture where THE SEI was born. The brand sets out to create thoughtful pieces, designed for women—by women, expanding beyond a range of generations and lifestyles. THE SEI aims to build a foundation of polished classics mixed with seductive silhouettes inspired to empower women to feel at their most confident and balanced self, while remaining effortless and timeless.

The Sei Long Sleeve Cut Out Gown in Slate

The Sei Plunge Gown With Mesh in Black Self: 92% polyester Lining: 96% polyester 4% elastane. Made in China. Dry clean only. Fully lined. Pull-on styling. Plunging neckline with her mesh panel. Crepe fabric. TSEX-WD92. TS-9132. About the designer: THE SEI is a luxury ready-to-wear collection based in L.A. and founded in 2020 by an all-female team of diverse individuals. With prior experience working together at Michelle Mason, the team set out on their own venture where THE SEI was born. The brand sets out to create thoughtful pieces, designed for women—by women, expanding beyond a range of generations and lifestyles. THE SEI aims to build a foundation of polished classics mixed with seductive silhouettes inspired to empower women to feel at their most confident and balanced self, while remaining effortless and timeless.

The Sei Plunge Gown With Mesh in Black

The Sei Lace Contrast Bias Dress in Yellow Silk blend. Made in China. Dry clean. Unlined. Adjustable back tie. TSEX-WD101. Ts9147. About the designer: THE SEI is a luxury ready-to-wear collection based in L.A. and founded in 2020 by an all-female team of diverse individuals. With prior experience working together at Michelle Mason, the team set out on their own venture where THE SEI was born. The brand sets out to create thoughtful pieces, designed for women—by women, expanding beyond a range of generations and lifestyles. THE SEI aims to build a foundation of polished classics mixed with seductive silhouettes inspired to empower women to feel at their most confident and balanced self, while remaining effortless and timeless.

The Sei Lace Contrast Bias Dress in Yellow

The Sei Off Shoulder Mini Dress in Brown Self 1: 90% merino wool 10% cashmere Self 2: 79% wool 10% nylon 9% cashmere 2% spandex. Made in China. Dry clean only. Unlined. Pull-on off the shoulder styling. Ribbed knit fabric. TSEX-WD83. TS-9050b. About the designer: THE SEI is a luxury ready-to-wear collection based in L.A. and founded in 2020 by an all-female team of diverse individuals. With prior experience working together at Michelle Mason, the team set out on their own venture where THE SEI was born. The brand sets out to create thoughtful pieces, designed for women—by women, expanding beyond a range of generations and lifestyles. THE SEI aims to build a foundation of polished classics mixed with seductive silhouettes inspired to empower women to feel at their most confident and balanced self, while remaining effortless and timeless.

The Sei Off Shoulder Mini Dress in Brown

The Sei Curve Gown With Mesh Inset in Black Self: 92% polyester 8% elastane Contrast: 92% polyester 8% elastane Lining: 96% polyester 4% elastane. Made in China. Dry clean. Fully lined. Hidden back zipper closure. TSEX-WD100. Ts9130. About the designer: THE SEI is a luxury ready-to-wear collection based in L.A. and founded in 2020 by an all-female team of diverse individuals. With prior experience working together at Michelle Mason, the team set out on their own venture where THE SEI was born. The brand sets out to create thoughtful pieces, designed for women—by women, expanding beyond a range of generations and lifestyles. THE SEI aims to build a foundation of polished classics mixed with seductive silhouettes inspired to empower women to feel at their most confident and balanced self, while remaining effortless and timeless.

The SeiOne-shoulder metallic jersey gown

Product Info

The Sei One-shoulder metallic jersey gown