Proenza Schouler turns a bag with a cult following into the season's next must-have: a travel-friendly backpack with signature straps and hardware.

• Proenza Schouler calfskin leather backpack.
• Palladium hardware.
• Adjustable back straps.
• Top handle, 2" drop.
• Flap top with flip-lock clasp; strap detail.
• Front slide pocket underneath flap.
• Expandable snap sides.
• Leather lining.
• Interior zip panel with open pocket.
• Leather tabs protect bottom.
• 11 1/2"H x 11"W x 6"D.
• Bag weighs 2lbs. 10oz.
• Made in Italy.