On the battlefield and during night ops, the ergonomic ThermoBak 3L  design keeps you comfortable and ready to go.

Product Details:
Front zippers allow rapid access to reservoir cap for easy filling and cleaning.    Use the built in harness or use the 6 D-ring attachment to add to load bearing vest or ruck.    
Side zipper allows easy access to the reservoir compartment.    
Uses 500D double-rip Cordura fabric for the ultimate combination of strength and durability.     
Hook-and-loop strap management.

Specifications:
Dimensions: 4.3" x 9.4"x 17.3" L x W x H
Weight: 1.4 lbs