Backpack Bags
About Backpack Bags
Shop authenticated pre-owned designer backpacks selected for practicality, craftsmanship and condition. Every piece is individually photographed and described, including visible wear and any original inclusions.
The Lost Designer standard
Pre-Owned Designer Backpacks in Australia
Shop pre-owned designer backpacks selected for practical carrying and enduring design. Every listing identifies dimensions, strap adjustability, pocket layout, materials, hardware, condition, visible wear and any original inclusions.
Each backpack is reviewed by two authenticators and authenticated through LegitApp. We document the exterior, interior, hardware and any visible wear using formal condition grades, detailed descriptions and clear photography.
Each item is one of a kind. Shop online with complimentary, tracked and fully insured express delivery across Australia, or inspect a piece at our Toorak boutique during opening hours—no appointment is required.
Authentication you can hold
Confidence with every backpack
two authenticators
Every backpack is independently reviewed by two authenticators before it is offered for sale.
LegitApp authenticated
Our authentication process for each backpack is completed through LegitApp and supported by detailed item inspection.
Physical certificate
Every item comes with a physical authenticity certificate for your records and peace of mind.
Designer Backpacks buying guide
Frequently asked questions
How does Lost Designer authenticate pre-owned designer backpacks?
Every backpack is reviewed by two authenticators and authenticated through LegitApp before it is offered for sale. A physical authenticity certificate is included with every item.
Read our authenticity promiseHow is the condition of each backpack assessed?
We use formal condition grades and document the exterior, interior and hardware where applicable. Our descriptions and photographs identify visible wear so you can assess the piece before purchasing.
What inclusions come with each backpack?
Every item includes a physical authenticity certificate. Original inclusions such as a box, dust bag, card, booklet or receipt vary by item, and the exact inclusions are listed in the individual product description.
Can I inspect a backpack at the Toorak boutique?
Yes. Visit us at 428E Toorak Road, Toorak during opening hours. No appointment is required, although one-of-a-kind pieces can sell at any time.
Plan your visitAre orders tracked and insured in transit?
Yes. Every item we dispatch is tracked and insured in transit. We offer complimentary express delivery across Australia, with orders dispatched from our Toorak boutique within one business day, excluding weekends and public holidays.
View delivery informationCan I purchase a backpack using lay-by?
Yes. Secure your item with a 20% non-refundable deposit, then pay the remaining balance across four fortnightly instalments over eight weeks. There are no interest charges or account fees, and you can pay early.
View lay-by termsWhat happens if an item arrives not as described or raises an authenticity concern?
If an item is materially not as described, contact us within seven days of delivery with photo or video evidence. If an item is proven inauthentic, we provide a full refund including return shipping. Change-of-mind returns are not accepted.
View delivery and returnsLost Designer is an independent second-hand dealer. All trademarks remain the property of their respective owners.

















