Outdoor hiking backpack large capacity backpack

Strong outdoor, exercise freely, exercise everywhere, easily experience life, escape from the city, urgently, liberate sub-health, make sports become a kind of fashion, suitable for camping, running, climbing, hiking, cycling, and other sports. Strong ventilation, a free-breathing breathable mesh carrying system design, back three-dimensional breathable mesh carrying backpack design, to ensure easier ventilation and ventilation on the back.