Features:

Material: High strength waterproof nylon fabric 

MOLLE system design can be used in combination with other equipment. It is convenient to mount accessory bag, kettle, hang bag ,glasses, interphone, carabiner, small flashlight and other outdoor equipment in the side and front of the backpack

The bags has a expandable helmet carrier and all the straps adjustable, It's not only hold a full size helmet, but will hold essentially anything else you need. Perfect for hunting, camping, travelling, mountain, trekking, tactical, cycling, motorcycle, hiking and other outdoors activities, even for the commuter school as a daypack.
Can be used as a Hydration Bladder Backpack.

Package Includes: 1 pcs backpack.

Description:

1. A hook & loop was attach on the tail of straps, roll up the extra part and tie up with the hook & loops, Make tidy the bag immediately. The two way zip hides under the waterproof layered shield, It will effective prevent water go through the zip.

2. Mesh materials are used on the back pad and shoulder straps. breathable and comfortable. The Reflective strips attach on front side, left and right side of bags. Keep your extra helmet safe.

3. To upgrade the appearance, The loops strap on front side allows to stick the accessories, and rings all over the bag to attach whatever accessories you want.

4. The shoulder straps has a small chest strap to hold them together and a larger waist strap to support the pack. The straps on the side and bottom can make the pack quite compact, or if you are going on a long trip you could expand them to load the moisture-proof pad or a camera bracket.