Year: 2016 This is an authentic MARC JACOBS Pebbled Calfskin Biker Backpack in Black. This stylish backpack is crafted of fine black calfskin leather with matching top handle and adjustable shoulder straps. The bag features two front zipper pockets and opens to a main black fabric interior. Follow this item for alerts. Marc Jacobs is a registered trademark of Marc Jacobs. FASHIONPHILE is not affiliated with Marc Jacobs.