Under Armour Backpack. Made from 600-denier polyester. UA Storm® technology delivers an element-battling, highly water-resistant finish. Features a tough, abrasion-resistant bottom panel. Soft lined laptop sleeve—holds up to 15" laptop. Water-repellent front valuables pocket to keep your stuff safe. Adjustable heatgear® shoulder straps for extra comfort. Two side water bottle pockets. Top grab handle and large, gusseted front laundry pocket.