Collection: Dresses & Jumpsuits
Discover COSSAC’s collection of contemporary women’s dresses & jumpsuits, designed around feminine silhouettes, refined simplicity and effortless versatility.
From elegant midi and mini dresses to relaxed and sculptural jumpsuits, the collection brings together distinctive shapes and considered details designed to move seamlessly from everyday dressing to more elevated occasions.
Crafted from carefully selected fabrics including organic cotton, lyocell, wool and ECOVERO™ viscose, each piece is designed to become a versatile part of a considered wardrobe.
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Black Lyocell Asymmetric Tunic
Regular price £131.00 GBPRegular priceSale price £131.00 GBP -
Plum Organic Cotton Mini Dress with Flared Sleeves
Regular price £80.00 GBPRegular priceSale price £80.00 GBP -
Black Wool Drape Midi Dress
Regular price £143.00 GBPRegular priceSale price £143.00 GBP -
Black Organic Cotton Wide-Leg Jumpsuit
Regular price £143.00 GBPRegular priceSale price £143.00 GBP -
Black Organic Cotton Mini Dress with Flared Sleeves
Regular price £80.00 GBPRegular priceSale price £80.00 GBP -
Teal Wool Drape Midi Dress
Regular price £143.00 GBPRegular priceSale price £143.00 GBP -
Sold outOrganic Cotton Crochet Mini Dress
Regular price £50.00 GBPRegular price£77.00 GBPSale price £50.00 GBPSold out -
Printed Ecovero Viscose Maxi Dress
Regular price £89.00 GBPRegular price£167.00 GBPSale price £89.00 GBPSale -
Cupro Slip Jumpsuit with Belt in Olive
Regular price £116.00 GBPRegular price£215.00 GBPSale price £116.00 GBPSale -
Cupro Drape Slip Mini Dress in Slate Black
Regular price £81.00 GBPRegular price£116.00 GBPSale price £81.00 GBPSale -
Cupro Slip Jumpsuit with Belt in Slate Black
Regular price £134.00 GBPRegular price£215.00 GBPSale price £134.00 GBPSale -
Tencel Kimono Jumpsuit in Black
Regular price £90.00 GBPRegular price£176.00 GBPSale price £90.00 GBPSale
FAQ's
What types of dresses and jumpsuits does COSSAC offer?
COSSAC offers a considered range of women’s dresses and jumpsuits, including mini and midi dresses, draped silhouettes, relaxed shapes and statement styles designed for versatile dressing.
What fabrics are COSSAC dresses and jumpsuits made from?
Our dresses and jumpsuits are made from carefully selected fabrics including organic cotton, lyocell, wool and ECOVERO™ viscose, depending on the individual style.
How do COSSAC dresses and jumpsuits fit?
Our collection includes both fitted and relaxed silhouettes. Each product page provides specific information about the fit, available sizes and model measurements to help you select the right size.
How should I care for my COSSAC dress or jumpsuit?
Care instructions vary depending on the fabric and garment. Always follow the care instructions on the individual product page and garment label to maintain the quality and extend the life of your piece.
What makes COSSAC dresses and jumpsuits different?
COSSAC designs contemporary womenswear with a focus on feminine simplicity, versatility and considered materials. Our dresses and jumpsuits are designed to be styled in different ways and remain relevant beyond a single season.











