Ample Storage: 27-liter capacity with two large zip compartments for easy organization. Convenient Access: Holds a 15-inch laptop, water bottle, phone, and more with expandable side pockets. Comfortable Design: Fully padded back panel and adjustable sternum strap for all-day comfort. Protective Pocket: Exterior fleece-lined pocket keeps your phone or sunglasses safe. Durable Construction: 600D reinforced bottom panel and top grab handle for extra durability and convenience.