Thule Shield Backpack 23L with InLock, 3205481 Attachable to a bike

Versatile carrying capacity with a 23L convertible backpack that carries cargo comfortably on your bike or on your back

Effortless attachment using the Thule InLock universal panel (sold separately), which easily mounts to almost any bike rack

IPX4 waterproof rating featuring a sealed zipper, welded seams, and durable waterproof materials

Comfortable carry with a hardware-free design, plus backpack straps that stow easily in the back pocket while riding and deploy effortlessly when needed

Secure laptop storage with a padded compartment protecting laptops up to 16"

Enhanced visibility from the front, back, and sides thanks to integrated reflective trim

Quick-access storage via a water-resistant exterior pocket that keeps essential items easy to reach

Smooth and silent, rattle-free ride provided by the soft connection of the InLock system