30 liter osprey backpack Comet Laptop Backpack, Black : Electronics the Sojourn Porter 30 marries the comfort of a backpack with the simplicity and storage capacity of a duffel—all in one attractive Osprey Tempest Velocity 30L Women's

Color: Black/Graphite Grey Size: ONE SIZE *Product Information may vary - to confirm product availability, pricing, and additional information please contact Lululemon Adjust the strap on this backpack to convert it to a cross-body, yoga mat carrier, or stretching strap

Patagonia Black Hole Duffel 40 L Patagonia Black Hole Duffel 40 L Pros Can be worn as a backpack or duffel bag Available in four sizes Made with recycled materials Cons This Patagonia bag's rugged, water-resistant exterior helps protect your items, even in inclement weather

The Echo Park comes in 0-, 20-, and 35-degree temperature ratings and uses Big Agnes proprietary FireLine Max Eco synthetic insulation

It's also made by one of the world's best camera backpack manufacturers