For the first time, the Shaw Concepts Nalgene is finally available to help you stay hydrated at the gym, work, range or field. We chose the 'narrow mouth' variant of the prolific 32 Oz bottle as it can easily accommodate a Gas Mask Cap from Cana Provisions or others so that it can be used when using Avon Gas Masks or other compatible mask drinking systems.  Features: -Narrow Mouth Variant Compatible w/ Gas Mask Caps -32 Ounce Volume w/Measurement Marks -Dope Shaw Concepts Logo -Dishwasher Safe (Top Rack and/or Away from Heating) -Top Lid Loop Retention   If you are ordering for a Unit, please contact sales@shaw-concepts.com Proudly made in the USA *Cap, Gear and other accessories not included*