UA Storm1 technology provides a water-repellent surface treatment. Large shoe pocket at the bottom of the backpack. Internal lined laptop pocket (up to 15"). Adjustable HeatGear shoulder straps for maximum comfort. Large front pocket for sweaty items. Side pockets for water bottles. Abrasion-resistant bottom panel. Top handle. Dimensions: 48 x 34.5 x 23.6 cm. The volume of the backpack is 30 liters. Material: Polyester / Nylon.