This is an authentic PROENZA SCHOULER Calfskin Large PS Courier Backpack Hazelnut. This stylish satchel is crafted of smooth calfskin leather in brown. This backpack has a sturdy leather top handle, adjustable shoulder straps, silver hardware, and an extra long facing flap with hanging straps and a silver switch lock. This opens to a spacious beige leather interior with hanging zipper and patch pockets. Follow this item for alerts. Proenza Schouler is a registered trademark of Proenza Schouler. FASHIONPHILE is not affiliated with Proenza Schouler.