It's easy to see which era inspired Citizens of Humanity's 'Kimberly' jeans - the flared silhouette is so '70s. Lightly faded to play up the vintage mood, they're cut from the brand's soft and stretchy denim that's designed to hold its shape no matter how many times you wear them. Lower-Impact Materials. This product is made using at least 50% lower-impact materials or ingredients. Find out more about our NET SUSTAIN criteria here.