1. Waterproof fabric: Tactical military backpack made of 600D Oxford fabric and waterrepellent material, more durable and scratchresistant than conventional hiking backpacks. 2. Structure and frame: Largecapacity camping backpack with a main storage bag featuring elastic cords, spacious enough to hold a sleeping bag, mat, hammock, shoes, phone, keys, torches, and rescue supplies. Includes compartments, a front zippered pocket, and two side pockets for water bottles or umbrellas. 3. Applicable places: Versatile hunting backpack for men, suitable for various groups of men and women for patrol, hiking, survival adventures, military use, rescue, camping, tactical exercises, cycling, mountaineering, equipment, and other outdoor sports. 4. Ergonomic design: Ventilated mesh quilted design on the back and shoulder straps with an adjustable chest strap for breathability and comfort. Features widened and thickened Sshaped shoulder straps and elastic, breathable back support for ventilation and load relief.