UA Storm technology repels water without sacrificing breathability .Soft-lined laptop sleeve—holds up to 15” MacBook Pro or similarly sized laptop .Adjustable HeatGear shoulder straps .Padded back panel for total comfort .2 zip-shut main compartments with 1 quick-stash pocket at the front .Mesh water bottle pocket on both sides .Top grip handle .Dimensions: 18″ x 12″ x 8.5″ .Volume: 1,836 Cubic In. / 26.5 L .