This very versatile rucksack will work hard for you. 

Tech Specifics:

• Fully adjustable shoulder straps with comfort pads
• Color:  Desert Khaki
• 4 Zipped compartments
• Extra inside slip pockets
• Reinforced seam stitching
• Heavy-duty zippers
• 100% hard-wearing polyester
• Water resistant
• MOLLE system compatible 
• Lightweight
• 100% Money back guarantee
• Size:   H:17" x  D:9" x  W:10"  / 43 x 23 x 25 cms

For comfort on long outdoor treks, it has back padding and fully adjustable shoulder straps. 

 You can also zip them together to create one wide back strap and use it as a crossbody style bag. There's a grab handle on the top too.

The main zippered section, also has a small zipped inner pocket for your phone or wallet, and a mesh slip pocket.  The medium-sized section has an extra mesh slip pocket too.

On the front of this bag is a small zipped top pocket, and a larger zipped pocket below.  This also has an inside slip pocket and places for pens, slim flashlight etc. 

For added security, there's a webbing strap secured at the top and bottom of the rucksack, with a quick-release buckle.   

In addition to the fabulous range of pockets, this rucksack also has MOLLE straps, D rings and Velcro hook & loop panels for adding tools, water bottle, and all the extra equipment you need on the go.