OGIO Epic Customzied Backpacks, Black color_Port Authority_L528 breathable and windproof with fully Sente Mortgage breathable and windproof with fully sealed seams to protect you against the elements set in sleeves with button cuffs cords and more 200D poly Ultra padded air mesh back panel with ventilation channels Adjustable sternum strap Front strap cellphone digital media device pocket Two fleece lined digital media pockets with weatherproof zippers and headphone exit port Large drop in fleece lined valuables pocket Two side insulated water bottle sleeves with leak ports Deluxe organization panel Easy access airline ticket and magazine sleeve for travel Power cord and other laptop accessory storage Laptop sleeve: 16