Year: 2016 This is an authentic MARC JACOBS Calfskin Stitched Biker Backpack in Black. This stylish backpack is crafted of fine black calfskin leather. The bag features two frontal zipper pockets and the top unzips to a black fabric interior. Follow this item for alerts. Marc Jacobs is a registered trademark of Marc Jacobs. FASHIONPHILE is not affiliated with Marc Jacobs.