Our Sister

Born in a creative studio in Antwerp, Our Sister brings joyful colour, thoughtful texture and playful detail to everyday dressing. This vibrant womenswear label champions naturally preferred materials and ethical production, blending sustainable fibres with standout design. As the female counterpart to Castart, Our Sister shares a love for quality and individuality - creating pieces that are bold, balanced, and built to celebrate your unique style.

Step into the #sisterhood

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