The Multipack consists of 10 total pockets, ranging from buckle-top side pockets which well for a GPS, wind detector, and other items of like size. The main compartment features an internal zippered pocket as well as 5 various sized elastic pockets. 
The Multipack was designed to attach anywhere that features molle webbing, but can also be mounted to the Chest Pack Harness using the 20mm buckles to work independently on the chest. 
PRODUCT INFO
Overall Dimensions: 6"h x 10.5"w x 3"d
Main Pocket Dimensions: 6"h x 8"x 3"d
Weight: 8 oz