BY.DYLN Cooper Jacket in White. - size XS (also in L, M, S, XL) BY.DYLN Cooper Jacket in White. - size XS (also in L, M, S, XL) 97% cotton 3% elastane. Made in China. Machine wash. Front button closure. 4-pocket styling. Buttoned cuffs. Contrast stitching. BYDR-WO17. DL1619. 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.