Outdoor Adventure Backpack by Volunteer. This multi-function water repellent backpack is a slightly smaller version of the conventional hiking backpack. Designed with durability and performance in mind. This comfortable adjustable bag is perfect for any weekend adventure. Includes precurved shoulder straps and lower back cushioning for a stable fit. The outdoor adventure backpack includes a top-loading main compartment with a zipper closure. Floating top lid is expandable to adjust the capacity for larger loads. Secure exterior pockets with zippers give you easy access with security. The classic design makes any exploration comfortable with the outdoor adventure backpack.