The Gridflux v2.0 is a sling pack with a reinforced padded shoulder strap.  The pack has two CCW compartments.  The first CCW compartment is located in the main compartment of the pack.  It is a fully-loop lined zipper pocket that can also be used for other objects, like electronics.  The second CCW compartment is located in the back of the pack.  It can be quickly accessed by releasing the sternum strap and swinging the pack to the front of your body.  A fleece-lined pocket is also featured on the front of the pack to store fragile items such as sunglasses or a point-and-shoot camera.