Arc'teryx's smallest hydration-capable urban daypack, the Fly 13 Backpack is Great for transporting life's necessities during your commute, when biking, or heading to the market for a few sundries. Loaded with an array of performance features, this backpack sports panel-loading convenience, a hydration bladder pocket, breathable Spacermesh-lined shoulder straps and comfort backpanel, adjustable sternum strap, key clip, front security pocket, and two stretch-mesh pockets. This Arc'teryx daypack is multi-purpose and hydration-capablewhat more could you ask for when traversing the concrete jungle.