Thule 3204721 Aion Travel Backpack 28L Expandable with Laptop Storage Black

The Thule Aion 3204721 is a versatile 28L travel backpack that combines everyday functionality with adventure-ready features. This expandable backpack grows to 32L capacity when you need extra space, making it ideal for commuters, travelers, and outdoor enthusiasts who need one bag that does it all.

Key Features:

• Expands from 28L to 32L capacity for 15% more packable space when needed
• Easy-to-clean TPU divider separates active gear from everyday items and prevents odor, moisture, and dirt transfer; tucks away when not in use
• Padded laptop compartment fits up to 16" PC/MacBook and 12.9" tablet
• Compatible with Thule Aion Sling Bag (sold separately) which functions as a supportive hip belt
• Pass-through panel securely attaches to rolling luggage for easier airport travel
• Zippered top pocket and internal zippered pocket keep small items organized and accessible
• Quick-access external stash pocket and dedicated water bottle pocket
• External daisy chain attachment points for securing additional gear

Sustainable Construction:

• Made from 100% recycled polyester fabric, lining, and mesh from recycled plastic bottles
• Durable 600D waxed canvas shell with water-resistant coating free of toxic PFCs
• bluesign® certified for environmental responsibility

The Thule Aion 3204721 delivers premium organization, protection, and versatility in a thoughtfully designed package that's built to last while minimizing environmental impact.