Each garment in our #ECOHOT brand embodies the lifestyle, vision and values of COSSAC founder Agata Natalia Kozak.

Our Capsule Wardrobe collections offer versatile, consciously designed transeasonal garments that celebrate the female body with timeless ease. Exploring strength in simplicity, each range brings a thoughtful edit of feminine pieces to help women find beauty in their wardrobes season after season, complementing their mindful lifestyle and creative freedom.

“We want to create timeless,
yet trendy garments; beautiful,
yet ethical. It’s about starting a
positive change, an #ECOHOT
fashion revolution”

Agata Natalia Kozak
COSSAC founder & Designer

Designed with love and slow-made with care in Europe, COSSAC is committed to slow fashion with a focus on transparency, sustainability and social well-being. We continuously seek ways to innovate, design and produce with less impact and reduce our carbon footprint. Our mission is to deliver balanced and concise collections made consciously with respect for every contribution along the way. The future of fashion is just, sustainable and #ECOHOT.

COSSAC Brand Book 2023.pdf
COSSAC SS24 Digital Lookbook.pdf