• The shoulder belts are adjustable according to the stature of different people.
• To position the backpack over your head while climbing up the slope, it is more laboursaving.
• To position the backpack in the same level of your head while walking on ground to lower the center of gravity.
• The bottom

• The shoulder belts are adjustable according to the stature of different people.
• To position the backpack over your head while climbing up the slope, it is more laboursaving.
• To position the backpack in the same level of your head while walking on ground to lower the center of gravity.
• The bottom compartment is for holding sports shoes and other outfit.
• The straps of both sides top and bottom are used for bring map, umbrella and mats, water bottle, keys, ice ax etc.
• The top compartment is for loading torch and other tools for hiking .
• The expandable strap on both sides can enlarge the volume  of the bag.
• There are aluminum stays in backside, so your back will get scientific-protection in different bearing conditions.