Year: 2018 This is an authentic PROENZA SCHOULER Crackled Lambskin PS1 Plus Zip Backpack in Black. This stylish satchel is crafted of crackled lambskin leather in black and features a leather strap top handle, an adjustable shoulder strap that doubles as a backpack strap with silver links, and a facing flap with a silver switch lock. This opens to a spacious fabric interior with a zipper pocket. This backpack has room for all of your daytime essentials with the forward fashion only from Proenza Schouler! Follow this item for alerts. Proenza Schouler is a registered trademark of Proenza Schouler. FASHIONPHILE is not affiliated with Proenza Schouler.