TNTRM Collection — Contemporary fashion for girls 8–16

Designed for Becoming.

Contemporary sustainable fashion for girls 8–16

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Our Story

Adolescence is not a waiting room. It is its own magnificent season.

TNTRM designs for the girl somewhere between childhood and the woman she will one day become. She is discovering who she is — her opinions, her passions, her contradictions. She throws herself into the world with intensity and wonder.

Contemporary, sophisticated fashion built for her body, her energy, and her stage of life. Never a grown-up silhouette scaled down two sizes. Never to humour the gaze of others.

She is in the process of becoming who she will be, and she is already Becoming.
TNTRM Collection
TNTRM — Organic cotton plaid dress
TNTRM — Contemporary silhouettes
TNTRM — Portrait
Responsibility

Made with care — for her, and for the world she will inherit.

GOTS-Certified — Materials & Manufacturing

Both our materials and manufacturing are certified under the Global Organic Textile Standard. This covers the full chain — from organic fibre sourcing to finished garment production — with strict environmental and social criteria verified at every stage.

GOTS Licence verified

Plant-Based Materials

TNTRM garments are made exclusively from plant-based fibres — organic cotton and other cellulose-based textiles. No animal-derived materials are used in our products.

Minimal Waste Patternmaking

Selected styles are engineered using advanced patternmaking techniques designed to minimise fabric waste during cutting. By optimising pattern placement and construction, we reduce material loss in production.

All environmental and material claims on this website are specific and substantiated. Where certification is referenced (GOTS), this refers to an independently verified scheme with third-party compliance monitoring. Material composition and production technique claims are based on documented supply chain data. TNTRM does not use generic environmental terms without qualification, in accordance with EU Directive 2024/825 (ECGT). Full documentation is available upon request.

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Stockists

Carry TNTRM in your store

We partner with independent boutiques and concept stores that share our values. If you are a retailer interested in carrying TNTRM, we would love to hear from you.

Wholesale enquiries