This backpack does it all. It's water-repellent for the rain, tough as nails, comfortable as anything, and has all the pockets you need to hold all your stuff. 100% Polyester. Nylon lining. 15" shoulder drop. UA Storm technology delivers an element-battling, highly water-resistant finish. Breathable air-mesh padded back panel & adjustable, HeatGear shoulder straps for total comfort. Soft-lined laptop sleeve-holds up to 15"" MacBook Pro or similarly sized laptop. Water-repellent front valuables pocket to keep your stuff safe. Large, gusseted front laundry/shoe pocket placed at bottom of bag (fits pair of shoes up to size 15). 2 D-Rings & molle webbing on shoulder straps for additional attachment points. Two side water bottle pockets. Tough, abrasion-resistant bottom panel. Dimensions When Full: 6.3""W x 20.1""H x 12.6""L. Volume: 1,769.7 Cubic In. / 29 L