Great for bike commuting, daily use, and travel, the Thule Paramount 1648cu in 27 liter efficiently stashes your electronics, daily items, and bicycle helmet. This rugged pack features durable 420D nylon fabric with welded bottom panels for extra protection from the elements. Designed to safely hold all of your electronics, this pack features a dual density 15 inch laptop sleeve and protective slip pocket that fits most 10 inch tablets. This commuter friendly pack features a front compartment that fits most bike helmets with its expandable strap. Multiple pockets stash snacks and daily items within the organizer's mesh partitions. Padded shoulder straps and back panel provide a comfortable fit, while the adjustable sternum strap keeps this bag nice and secure when you're cruising around town. Additionally, side pockets hold bottles, and exterior gear loops make easy work of attaching bike lights for greater visibility at night.