Product Description: 

• Regular Size: 14.5’’x 21’’x 8’’. Expandable Size: 14.5’’x 21’’x 13’’. The main compartment expands from 39L (2380 cu in) to 60L (3905 cu in). This backpack has 4 main loading spaces and a water bottle mesh pocket. Plenty of room for all your gear and plenty of separate compartments for you to stay organized.
• The adjustable chest belt can disperse the weight, making carrying more comfortable. The adjustable belt and additional straps around the chest and waist distribute the weight better. 
• This backpack is made of *Water Resistant* and durable 1000D material, suitable for outdoor activities. These backpacks can be used to trek, hike, and climb.
• This large backpack can be used for school or as a casual daypack.
• This backpack can be expanded by a zipper on the side. The thickness of the side can be switched between 8 'and 13', and the maximum packet capacity can reach 60L.
• Can hold more things and the side buckles make it easy to secure it and reduce the size if it's full, and this backpack is water resistant, very suitable for outdoor activities.
• 1. Water bottle mesh pocket on the side. It is convenient for you to drink water during outdoor activities.
• 2. The shoulder strap Molle system can be loaded with tactical pouches as shown in the picture (not including shoulder strap pouches).
• 3. MOLLE system in the front, you can add different small pouches, mountaineering hook can be used for hanging small things.

Specification:

Material: Nylon 1000D

Capacity: 60 liter

Size: 15 x 21 x 8 inch

Weight: 1.4 KG