timbuk2 convertible messenger backpack Scheme Briefcase NEW Timbuk2 Convertible Messenger Crossbody

The backpack strap is wide enough,wont made you feel tired

The pack has survived three kids and is still able to hold my almost 5 year old, although he often can hike the entire way now

Similarly, its not the lightest, but its not terribly heavy either

The groundbreaking Anti-Gravity system features a continuous backpanel of lightweight, suspended mesh that extends from the top of the backpanel to the hipbelt

Regular Reel Maintenance Lubricate Moving Parts: Apply reel oil to gears, bearings, and handles to reduce friction and prevent rust

The mini bookbags that are comfortable to wear and won't slip off the shoulders