ALPS Mountaineering Contour 18 Pack | REI Co-op。Alpine Design Contour Mountain Backpack Daypack Bag Multi Pocket Hydration Rip stop material padded back adjustable straps 3 zip pocketa plus 1 hidden zipper with mesh bag Expandable zip Inserts at top for drink nozzle to add water bladder Bungee cord front holder Waterbottle nozzle clip is in mesh bag compartment can clip back on strap Alpine Design Contour Mountain Nylon Hydration Backpack Daypack Bag:  Lowe Alpine Contour II ND 70+15 Backpack: A 70+15 liter capacity backpack with an internal frame Lowe Alpine Contour 60+10 HL: An ultra-lightweight version of the Contour design that\'s compatible with a hydration system Lowe Alpine Contour IV: A huge pack with an internal frame, two side pockets, one top pocket, and a maximum load of 75 lbs Lowe Alpine Aeon: A hydration-compatible pack with a unique harness design Does not come with water bladders need to add May have a couple tiny marks Measurements are approximate- all measurements are flat lay Pre Owned -No obvious wear or flaws unless otherwise stated above Non smoking house Dog Friendly