Brand profile

DETERM;

Japanese label making minimalist sustainable loungewear and bodysuits, notably in a collagen-fiber textile derived from fish scales.

ParisOrigin

WomenswearFocus

Minimalist / ContemporaryStyle

$$$Price

Shop DETERM; ↗

4 brands like DETERM; like Seichi, Cold Laundry, +351 →

What to know about DETERM;

Fish-scale fiber is the hook

The signature textile is a collagen fiber spun from protein extracted from fish scales, described as breathable, deodorizing and UV-resistant.

Small runs by design

Production is deliberately limited, with the label citing environmental impact and animal welfare as the reasons for keeping stock low.

Loungewear basics, not statement pieces

Founded in 2020, it is a womenswear line built around bodysuits, knit tops, relaxed bottoms and accessories in neutral, minimal shapes, sold mainly through SSENSE.

Known forOuterwear

StyleMinimalist / Contemporary Techwear Streetwear

If you like DETERM;

80% match

Seichi

$$$Minimal basics

Pared-back timeless basics in the same neutral register

What changes: Less material innovation or sustainability framing

Shop Seichi second-hand

78% match

Cold Laundry

$$Everyday loungewearLondon, United Kingdom

Gender-neutral soft staples, wide-leg sweats and knits

What changes: Streetwear-leaning loungewear rather than bodysuit-driven

Shop Cold Laundry 20 brands like Cold Laundry →

76% match

+351

$$Sustainable essentialsLisbon, Portugal

Organic-cotton essentials made in deliberately small runs

What changes: Cotton focus, no engineered fibre story

Shop +351

68% match

Nonnative

$$$Japanese minimalismTokyo, Japan

Japanese restraint and fabric obsession, menswear side

What changes: Workwear/military cuts and far broader wardrobe

Shop Nonnative 15 brands like Nonnative →

Brand facts

determ; is a Japanese womenswear label producing sustainable loungewear and everyday knitwear. Collections center on bodysuits, knit tops, relaxed bottoms and accessories in neutral palettes and minimal silhouettes. Its signature material is a collagen-fiber textile spun from protein extracted from fish scales, described as breathable, deodorizing and UV-resistant. The label manufactures deliberately small runs, citing environmental impact and animal welfare as reasons for limiting stock. Distribution runs mainly through SSENSE, which currently stocks the brand's in-season collection.

Founded: 2020
Origin: Paris, France
Made in: Europe
Price: $$$
Focus: Womenswear
Facts checked: September 2026
Styles: Minimalist / Contemporary, Techwear, Streetwear

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