$149.99
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Mardy Backpack Pannier

The sturdy Mardy Backpack Pannier is our highest capacity waterproof bike bag, packed full of features for bike outings and grocery shopping. It attaches/detaches to your bike in seconds with super-strong Fidlock® magnetic buckles, then converts to a comfortable backpack or shoulder tote off the bike. Featuring a separate shoe/cold storage compartment, water bottle pockets, integrated raincover, and loads of interior and exterior pockets, this backpack pannier has got you covered. 

Only 210 items in stock!

Your purchase. Your choice. Our donation.

For every Po Campo bag purchased, we give 1% of its MSRP to a charity of your choice.

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Mardy Backpack Pannier
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Mardy Backpack Pannier - Po Campo
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Inside of Blue Mardy Pannier by Po Campo
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Mardy Backpack Pannier By Po Campo
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Mardy Backpack Pannier Converts To A Backpack
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Inside of Mardy Backpack Pannier Bag by Po Campo
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Backpack Pannier - Mardy by Po Campo
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Pouches on the Mardy Backpack Pannier
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Man wearing the Mardy Pannier as a backpack and woman with it on the bike
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The Mardy Pannier by Po Campo used for Picnic
Mardy Backpack Pannier
Mardy Backpack Pannier - Po Campo
Inside of Blue Mardy Pannier by Po Campo
Mardy Backpack Pannier By Po Campo
Mardy Backpack Pannier Converts To A Backpack
Inside of Mardy Backpack Pannier Bag by Po Campo
Backpack Pannier - Mardy by Po Campo
Pouches on the Mardy Backpack Pannier
Man wearing the Mardy Pannier as a backpack and woman with it on the bike
The Mardy Pannier by Po Campo used for Picnic

Easy on, easy off - helping to make your life more mobile

Slide the Fidlock® magnet buckles side-to-side to release, then wrap attachment the attachment straps over your rear rack and the magnets, which happily click back together. Pull the bottom attachment ring down to clip to the bottom of your rack for a stabilizing third connection point. Easy peasy!
Watch How-To Video ▸

Separate shoe/cold storage compartment!

The Mardy Backpack Pannier is loaded with many spectacular features. But one that we really think makes this bag stand apart is the extra insulated compartment at the bottom. Use it to separate cold items or stick your stinky shoes in there! The items in the main bag will thank you.
See video of features ▸

Mardy Backpack Pannier: All in the details

We designed this bag to meet your needs and surpass your expectations. Just check out these tech specs:
Attachment style: Fidlock® magnetic buckles and pull-down anchor hook
Capacity: 25 lbs
Critical dimensions: Distance between top of rack and wheel axle should be at least 10”
Fits devices: Most 15” laptops can fit in main compartment
Nighttime visibility: Reflective stripes on straps and sides with area for clip-on bike light.
Pockets: 9 total. Four exterior pockets: one easy access waterproof pocket and two water bottle pockets. Four interior pockets, including organization pockets and a zippered pocket
Size: W 14” x H 17.5” x D 6.5”
Strap details: Adjusts to 52” max
Volume: 28L / 1709 cubic inches
Water resistance: Built-in downpour proof raincover and coated fabrics
Weight: 3 lb

Ready to Ride



The perfect bag does exist...

Tired of wishing your bag had just 1 more pocket, or one less strap? Our bags have everything you need, and nothing you don’t.

Phew it's dry

Waterproof vegan fabrics and water-protected zippers keep your stuff dry in the rain.

Fits your bike

There’s a lot of different types of bikes out there! We test our bags on dozens of kinds to make sure it’ll fit yours.

Be Seen

Smartly designed reflective accents for extra visibility at night providing safety when on the road.

Lots of pockets

Po Campo pockets are designed to keep your things in place while you are on the move.

Versatile Straps

With adjustability and multi-functional use, our straps provide a variety of ways to use the bag on or off the bike.

Built to last

10 years of designing functional commuter bags that can withstand global warming and all the elements.