This 6.6gal hiking backpack features a structured frame designed for supportive carrying on uneven terrain.Lugging a poorly fitted bag on a long walk often leads to overheated shoulders long before you reach the summit. Finding a day pack hiking backpack that balances load support with enough ventilation for active days is key.Why do hikers reach for this water resistant hiking backpack? Ventilated carrying: The suspended back panel creates a gap between the pack and your body to promote airflow. Load stability: Adjustable side compression straps hold your gear in place to reduce shifting on the trail. Accessible storage: Zippered pockets on the padded hip belt hold snacks or small tools within easy reach. Supportive fit: A structured frame and adjustable harness system distribute the load across the body. Specifications Capacity: 6.6gal Primary material: Nylon outer shell Lining material: Polyester Colors: Red, Black, Gray, Blue, Brown, Orange, Yellow Design style: Classic outdoor Suspension system: Curved back panel with mesh Closure type: Zippered compartments Strap adjustability: Adjustable shoulder and hip straps Additional storage: Hip belt pockets and side straps Weather resistance: Water-resistant construction Dimensions: 12 x 5.9 x 20 in