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