The Under Armour Patterson Backpack is a storage must have for your daily essentials. Made with a UA Storm technology fabric that delivers an element-battling, highly water-resistant finish. A Large main compartment with zippered closure. Built-in laptop sleeve that holds up to 15� MacBook Proor similarly sized laptop. Water-repellent front valuables pocket to keep your stuff safe. Adjustable shoulder straps for extra comfort. Side water bottle pocket with a Top grab handle and added Under Armour logo accenst to the outer. Dimensions: 18.4" x 11.9" x 4.5"