This is an authentic PROENZA SCHOULER Calfskin Large PS Courier Backpack in Red. This stylish satchel is lovely pebbled calfskin in red. This stylish backpack has leather shoulder straps with silver links and an extra-long facing flap with hanging straps and silver switch lock. This opens to a spacious black leather interior with a hanging pocket. Follow this item for alerts. Proenza Schouler is a registered trademark of Proenza Schouler. FASHIONPHILE is not affiliated with Proenza Schouler.