Mystery Ranch Kletterwerks Drei Zip 21 Liter Backpack-Brick Butterfly 3g (without battery)Accessories: O-ring *1

3g (without battery)Accessories: O-ring *1

sturdy back lock

It occurred to me that composite materials would allow the sheath to act as its own retaining spring

TECHNICAL SPECIFICATIONS:

Mystery Ranch Kletterwerks Drei Zip 21 Liter Backpack-Brick Butterfly 3g (without battery)Accessories: O-ring *1Description: Retro meets nuevo in our new DREI ZIP. Blending classic Kletterwerks lines and fabrications, this stout daypack incorporates our latter day, easy access 3 ZIP design. For those with an appreciation for heritage design, but seeking to solve contemporary carry challenges, our new DREI ZIP is for you. Featuring our ready access 3 ZIP design, you can access your gear in 1,2,3. With a zippered lid compartment and accessory pocket, small items