HIGH QUALITY MATERIALS - Our mountaineering bags are made of 900D Oxford cloth, which is tear resistant and durable. 85L Large Capacity: The large capacity hiking backpack is enough to meet all your needs. The top of the backpack can increase capacity, allowing you to put more items. Intimate details: Our hiking backpack has a powerful suspension system, which allows you to hang your trekking poles, water bottles, etc. There is also a whistle to avoid accidents. All buckles are adjustable, so you can firmly attach moisture-wicking pads, sleeping bags, etc. Wide range of uses: hiking backpacks, outdoor backpacks, travel backpacks, sports backpacks, leisure backpacks. Very suitable for all outdoor activities, camping, hiking, traveling, wild, mountaineering, climbing, skiing, adventure, etc. Gift: the ideal large capacity hiking backpack, your best companion! This is also the best gift for father, mother, son and daughter, friends, husband / wife, etc.