STM STM Myth Backpack featuring luggage pass-through 28L/ 15-Inch Laptop - Slate Blue SlingTech suspends laptop away from edge of the pack, isolating it from the bump zone ComfortCarry harness features ergonomic curved fit, provides ideal weight distribution Remarkable CableReady system lets you charge on-the-go with cords out of sight Air channel back panel system promotes air flow, keeps you cool and comfortable Water and dirt repellent, environmentally-friendly fabric