Thule Paramount 18L Commuter Backpack is a streamlined, expandable backpack made for every day use – both on and off the bike.

To ensure maximum comfort when biking, the shoulder strap shape and sternum strap placement accommodate your natural bike-riding position. 18L is perfect capacity for your daily commute, but the side panels can also be unzip to expand the backpack's carrying capacity to 50% if needed. The roll-top closure and water-resistant coating keeps items dry when you're biking in the rain. Thule Paramount commuter backpack is built for bike commuters and is the laptop backpack you can rely on for everyday life on two wheels.

Roll-top closure and durable, coated materials provide reliable weather protection
Access your phone easily from dedicated pocket while in riding position
Floating laptop sleeve fits comfortably on back while in natural riding position, holding up to 16" laptop
Unzip side panels to expand capacity up to 50%, transitioning streamlined bag into high-capacity urban cargo hauler
Stay visible in low light with reflective accents visible from all angles
Generous storage space is ideal for the wide range of contents a bicycle commuter needs, including a change of clothes, jacket, lunch or groceries or groceries on the way home
Large side pocket holds a water bottle or insulated container securely while riding or walking
Exterior pockets keep bike lock and personal essentials in easy reach without digging deeper into bag
Integration of shoulder strap shape and sternum strap position enhance stability while riding, improving safety, comfort and convenience without the need for a hip belt
Ventilated back panel and shoulder straps stay comfortable on warm days
Attach helmet to outside of bag while off the bike