Isabel Marant is a French fashion designer who offers a range of Ready-to-wear and accessories collections for women. The Isabel Marant brand is known for its bohemian-chic style and relaxed, yet feminine designs.
The size 40 in Isabel Marant corresponds to a US size 8 or 10. This will vary depending on the specific garment, as some pieces may run small or large. When in doubt, it is always best to refer to the size chart provided on the Isabel Marant website.