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Founded in 2014 by designer Agata Natalia Kozak, COSSAC is a London-based womenswear label committed to sustainability and conscious design. Focused on eco-friendly fabrics like organic cotton, Tencel, and recycled materials, the brand produces timeless capsule collections in small batches. Made in ethically run European factories, COSSAC blends modern, minimalist style with a strong commitment to transparency, ethical labor, and low-impact production.
Cossac
Wide Shirt Rust
Wide Trouser Rust
Midi Skirt Black
Long Sleeve Top Black
Vegan Sweater Black
Pencil Skirt Print
Wrap Dress Print
Mini Skirt Black
Wide Shirt Black
Wide Shirt Print
Wrap Top Black
Drape Bodysuit Khaki Green
Drape Top Oat
Wrap Trousers Black
Bustier Ecru
Boho Blouse Black
Drape Bodysuit Slate Black
Drape Dress Print Pink
Strappy Jumpsuit Print Pink