BY.DYLN Cooper Jacket in Navy. - size XL (also in L, M, S, XS) BY.DYLN Cooper Jacket in Navy. - size XL (also in L, M, S, XS) 97% cotton 3% elastane. Made in China. Machine wash. Front button closure. Four pocket design. Twill textile. Buttoned cuffs. BYDR-WO61. DL3561. 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.