This is an authentic PROENZA SCHOULER Pebbled Calfskin PS Courier Backpack in True Navy. This stylish satchel is crafted of lovely smooth calfskin leather in dark blue. This stylish backpack has leather shoulder straps, silver links and an extra long facing flap with hanging straps and a silver switch lock. This opens to a spacious black interior for all your daytime essentials, with the fashion forward style, 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.