Paladineer Outdoor Sport Internal Frame Backpack 85-liters Nylon Durable: Made of high quality 600D Thickened Nylon, Water-resistant & Wear-resistant Customerization: High density foam padded shoulder straps making you feel extremely comfortable; Molded foam back panel with airflow channels keep your back dry; Adjustable sternum strap stabilizes pack for maximum comfort on the move Large Capacity: 70 to 80LTop-load main compartment with gusseted drawstring closure to expanse the capacity; Adjustable buckles help secure your load Convenient: Quick-access waist belt pockets to hold your iphone and some snacks;Dual mesh pockets for water bottles Breathable: Waist belt and back system with high-density padding wicks moisture away