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The flâneur's letter

New houses, rare pieces and private appointments. Once a month.

Flâneur Séoul

Contemporary designers from Seoul, curated for Paris.

Instagram — @flaneurseoul

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The flâneur's letter

New houses, rare pieces and private appointments. Once a month.

Flâneur Séoul

Contemporary designers from Seoul, curated for Paris.

Instagram — @flaneurseoul
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Company information

Flâneur Séoul is operated by Soonicorn Inc. · CEO: Geonhaeng Lee

Registered office: #104-215, 137 Wangsimni-ro, Seongdong-gu, Seoul, Republic of Korea

Business registration no. (KR): 866-87-02563 · E-commerce permit: No. 2026-Seoul Seongdong-0183

Customer service: +82-70-8983-8996 · Email: ops@soonicorn.co.kr

Data protection officer: Seongyeol Yang (syy@soonicorn.co.kr) · Hosting provider: Soonicorn Inc.

© 2026 Flâneur Séoul — All rights reserved.

Site in English · Français · 한국어 available

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CAHIERS

The house

CAHIERS

By Ahyoung Kim · Seoul

Couture-minded femininity, written in frills and organza

CAHIERS is a Seoul womenswear label led by designer Ahyoung Kim, a Seoul Fashion Week name (2024 and 2025 S/S) that has also shown in New York. The house proposes elegant silhouettes and couture-minded details — jabot frills, organza ribbons, sculptural capes — in a feminine, luxurious register.

Discover the house
[CAHISIENNE 26SS] Balloon Hem Half Trench — view 1
[CAHISIENNE 26SS] Balloon Hem Half Trench — view 2
[CAHISIENNE 26SS] Balloon Hem Half Trench — view 3
[CAHISIENNE 26SS] Balloon Hem Half Trench — view 4
[CAHISIENNE 26SS] Balloon Hem Half Trench — view 5
[CAHISIENNE 26SS] Balloon Hem Half Trench — view 6
[CAHISIENNE 26SS] Balloon Hem Half Trench — view 7
[CAHISIENNE 26SS] Balloon Hem Half Trench — view 8
[CAHISIENNE 26SS] Balloon Hem Half Trench — view 9
[CAHISIENNE 26SS] Balloon Hem Half Trench — view 10
[CAHISIENNE 26SS] Balloon Hem Half Trench — view 11
[CAHISIENNE 26SS] Balloon Hem Half Trench — view 12
[CAHISIENNE 26SS] Balloon Hem Half Trench — view 13
[CAHISIENNE 26SS] Balloon Hem Half Trench — view 14
[CAHISIENNE 26SS] Balloon Hem Half Trench — view 15
[CAHISIENNE 26SS] Balloon Hem Half Trench — view 16
[CAHISIENNE 26SS] Balloon Hem Half Trench — view 17
CAHIERS

[CAHISIENNE 26SS] Balloon Hem Half Trench

230 € (US$242.66)

Final price may vary based on current exchange rates.

Taxes and duties included

A trench jacket with an internal waist drawstring: cinched, the loose top contrasts with the voluminous lower half for a dramatic silhouette.

Size

Free returns within 14 days

Fit & details+

A balloon-hem half trench with an adjustable waist string; cinching it contrasts a loose upper body with a voluminous hem. A 26SS season piece.

Material & care+

Polyester 71%, nylon 29%

Shipping & returns+

Shipped from Seoul — 5–8 business days.

Free returns within 14 days, in line with your right of withdrawal.

Read the full return & refund policy

Taxes & duties+

Taxes and customs duties included — no fees on delivery.

The house

CAHIERS

By Ahyoung Kim · Seoul

Couture-minded femininity, written in frills and organza

CAHIERS is a Seoul womenswear label led by designer Ahyoung Kim, a Seoul Fashion Week name (2024 and 2025 S/S) that has also shown in New York. The house proposes elegant silhouettes and couture-minded details — jabot frills, organza ribbons, sculptural capes — in a feminine, luxurious register.

Discover the house

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[CAHIERS 26SS] Crinkle Halterneck Rear Balloon Dress

CAHIERS

[CAHIERS 26SS] Crinkle Halterneck Rear Balloon Dress

640 € (US$669.23)
[CAHIERS 26SS] Stripe Silk Tiered Frill Sleeveless Maxi Dress

CAHIERS

[CAHIERS 26SS] Stripe Silk Tiered Frill Sleeveless Maxi Dress

525 € (US$548.95)
[CAHIERS 26SS] Sequin Top Side Ruffle Slit Maxi Dress

CAHIERS

[CAHIERS 26SS] Sequin Top Side Ruffle Slit Maxi Dress

660 € (US$690.21)
[CAHIERS 26SS] High-Neck Half-Sleeve Balloon Zip-Up Jacket

CAHIERS

[CAHIERS 26SS] High-Neck Half-Sleeve Balloon Zip-Up Jacket

365 € (US$381.82)
[CAHISIENNE 26SS] Gray Organza Ribbon Jabot Frill Blouse

CAHIERS

[CAHISIENNE 26SS] Gray Organza Ribbon Jabot Frill Blouse

130 € (US$137.76)
[CAHISIENNE 26SS] Black Ribbon Off-Shoulder White Dress

CAHIERS

[CAHISIENNE 26SS] Black Ribbon Off-Shoulder White Dress

185 € (US$194.41)
[CAHISIENNE 26SS] Wedding-Guest Embroidered H-Line Midi Dress (Dark Sky Blue)

CAHIERS

[CAHISIENNE 26SS] Wedding-Guest Embroidered H-Line Midi Dress (Dark Sky Blue)

185 € (US$194.41)
[CAHISIENNE 26SS] Organza Ribbon Tweed Trimming Jacket

CAHIERS

[CAHISIENNE 26SS] Organza Ribbon Tweed Trimming Jacket

185 € (US$193.01)
[CAHISIENNE 26SS] Structural Ball-Button V-Neck Long Dress

CAHIERS

[CAHISIENNE 26SS] Structural Ball-Button V-Neck Long Dress

200 € (US$208.39)
[CAHIERS 26SS] Mini Dot Chiffon High-Neck Balloon Sleeve Dress

CAHIERS

[CAHIERS 26SS] Mini Dot Chiffon High-Neck Balloon Sleeve Dress

465 € (US$488.11)
[CAHIERS 26SS] Art Graphic Trimming Detail Open-Back Dress

CAHIERS

[CAHIERS 26SS] Art Graphic Trimming Detail Open-Back Dress

990 € (US$1,039.16)
[CAHISIENNE 26SS] Red & White Pleated Off-Shoulder Banded Dress

CAHIERS

[CAHISIENNE 26SS] Red & White Pleated Off-Shoulder Banded Dress

185 € (US$194.41)
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Border Full Zip Sweat Jacket [Melange Grey]

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Border Full Zip Sweat Jacket [Melange Grey]

65 €−46%35 € (US$34.62)
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Batwing 3L Jacket [CHARCOAL]

55 € (US$55.94)
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Oversized Wool Jacket, Black

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Anchored Puller Utility Jacket Black

155 € (US$160.14)
Frill Detail Anorak Jacket Grey

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Frill Detail Anorak Jacket Grey

265 € (US$279.02)
Tweed Blazer

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Tweed Blazer

710 € (US$747.06)
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CN23FWOU12_JUMPER

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Tribal 3M Track Jacket

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Phenomena made wearable — original prints from the brand's own photographs

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Clothes that resemble the person wearing them

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DEMOO

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Bold contrast, gentle harmony — Korea’s modern avant-garde since 1988

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Art reborn as fashion — Seoul's upcycled avant-garde

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Bold prints, made to order in Seoul

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Structural layering, worn inside out

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MÜNN

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Tailoring, turned inside out

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Paper-draped avant-garde — the minimum for everyone

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Art-wear built to be worn inside-out

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Hand-drawn oriental fantasy in contemporary silhouettes

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Finding oneself again — drape and quiet tailoring from Seoul Fashion Week

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Korean folk tales, made to order

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One garment, two ways — hybrid tailoring from the London–Paris runways

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thema

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The special within the ordinary, like the early morning air

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