1. Polyamide Fiber material
2. Main room capacity of 30L can be expanded to the top as needed up to 5L (CNK2300016)

1. Draw Cord at several points in the bag which is useful for placing objects such as foam mattresses, trekking pole, etc
2. The back of the back is designed with mesh for ventilation and an adjustable chest belt

1. Suitable for hiking, backpacking or other outdoor activities
2. There is a hole for a water pipe and a hidden whistle for emergencies