Flex Capacitor Pack 40 60 L Jet Grey S/M

The volume of your backpack is always changing. At the start of your trip your pack is full, as trip wears on your food gets eaten or maybe the weather changes and you're now wearing a down jacket that was stashed in your pack. The Sierra Designs Flex Capacitor 40 60 L Backpack makes changing the volume of your pack a cinch. Pack it full...or pack it unfull, the Flex has your covered.