This Ozark Trail Outdoor Equipment Hydration Backpack is perfect for all your outdoor activities. 17-liter capacity, this backpack is designed to keep you hydrated on the go. It features a zippered closure, multiple external pockets, and a hip belt for a comfortable fit. The backpack is made of lightweight and water-resistant nylon material, making it perfect for hiking, camping, and other outdoor activities. This backpack comes with a number of features, including ultralight and padded straps, insulated compartments, and elastic pockets. It has a unisex design and is suitable for both men and women. Whether you're going on a day hike or a longer backpacking trip, this hydration backpack is a must-have.