Camping large space backpack, waterproof lightweight backpack, suitable for outdoor camping travel

suitable for teenagers and adults, suitable for light backpacking; Suitable for 2-4 days of exploration; Capacity 50 liters; Weight 1 kg.breathable mesh shoulder straps and rich sponge pads help relieve shoulder pressure. Widened and thickened S-shaped shoulder straps and high elastic breathable back support ensure ventilation and reduce the burden.Waterproof and large space.suitable for teenagers and adults, suitable for light backpacking; Suitable for 2-4 days of exploration; Capacity 50 liters; Weight 1 kg.breathable mesh shoulder straps and rich sponge pads help relieve shoulder pressure. Widened and thickened S-shaped shoulder straps and high elastic breathable back support ensure ventilation and reduce the burden.Waterproof and large space.suitable for teenagers and adults, suitable for light backpacking; Suitable for 2-4 days of exploration; Capacity 50 liters; Weight 1 kg.breathable mesh shoulder straps and rich sponge pads help relieve shoulder pressure. Widened and thickened S-shaped shoulder straps and high elastic breathable back support ensure ventilation and reduce the burden.Waterproof and large space.suitable for teenagers and adults, suitable for light backpacking; Suitable for 2-4 days of exploration; Capacity 50 liters; Weight 1 kg.breathable mesh shoulder straps and rich sponge pads help relieve shoulder pressure. Widened and thickened S-shaped shoulder straps and high elastic breathable back support ensure ventilation and reduce the burden.Waterproof and large space