Timbuk2 Superbad Bag Fabric Top loading laptop pack that will sit up straight in class even when you cant Fully padded internal laptop sleeve. Timbuk2's trademarked Swing Around Access; grab your laptop without taking off your pack. Top-loading and designed to sit upright so it won't flop over when you set it down. Lightweight ergonomic shoulder straps are designed to fit people, not robots.