BY.DYLN Cooper Jeans in Blue. - size L (also in M) BY.DYLN Cooper Jeans in Blue. - size L (also in M) 65% cotton 33% poly 2% elastane. Made in China. Dry clean only. Zip fly with button closure. 4-pocket design. Lightweight stretch twill with contrast stitching detail. Item not sold as a set. 22 at the knee narrows to 21 at the leg opening. BYDR-WJ1. DL0845. BY.DYLN dresses the open-minded, strong, and independent woman who isn't afraid to push boundaries. Not one to be conventional, her expressive style gives off a bit of teasing attitude. Core track essentials, signature ribbing, slouchy 90s cuts and form-fitting silhouettes make up BY.DLYN's collection, all rooted in the brand's DNA: feminine designs with a touch of masculine energy. Shop the latest in fashion from BY.DYLN