Briggs & Riley ZDX Large Convertible Backpack Shop the Briggs & Riley ZDX collection online or at both our Vancouver and Richmond locations. For days that require unlimited versatility, the Convertible Backpack Duffel maximizes storage space with a large 55L capacity, a zip-around closure, and goes from backpack to duffle with three ways to carry. Thanks to intuitive laptop and water bottle compartments plus convenient pockets, organization has never been easier. INTERIOR FEATURES Spacious main compartment Multiple pockets for additional organization Clamshell opening provides a luggage-style packing experience Slip pocket compartment featuring an padded laptop/tablet sleeve EXTERIOR FEATURES Zip-around expansion creates up to 25% extra packing space Secure your bag with lockable zipper pulls Seamlessly switch between a backpack and a duffle with hide-away straps Detachable, adjustable shoulder strap for on-the-go comfort Reliable, smooth zipper performance with self-repairing YKK® zippers *Please allow an additional 2-3 business days for any order with a personalized item. Please note that personalized items may not be returned or exchanged. DIMENSIONS 53.3 x 35.6 x 22.2-27.9 cm / 21 x 14 x 8.75-11 in WEIGHT 2 kg / 4.4 lbs CAPACITY 54-64 L / 3341-3951 cu. in. MATERIAL Woven nylon + contrasting water resistant PVC coated nylon WARRANTY Briggs & Riley Lifetime Warranty