Cold Flow™ System
Our revolutionary Cold Flow™ System includes an insulated reservoir, neoprene reservoir sleeve with reflective lining and articulated back panel to keep water cold for over four hours.
The HydraPak® IsoBound™ 2 L insulated sweat-proof reservoir helps to maintain cold water temperature for hours.
Neoprene Sleeve with Reflective Lining
Insulating neoprene reservoir sleeve with reflective lining keeps heat out and reflects cold back in.
External Airflow Design
The articulated back panel keeps space between you and your pack, letting air flow to avoid body heat transfer.
- HydraPak® IsoBound™ 2 L Insulated Reservoir
- High-flow HydraPak® Blaster Bite Valve self-seals after each sip
- HydraPak® Plug-N-Play™ connect system lets you easily disconnect the hose and remove the reservoir from your pack for convenient refilling
- Padded back panel for added comfort
- Fully adjustable shoulder, sternum and hip straps
- Soft pocket for sunglasses or a phone
- Helmet attachment loops
- Chest strap with integrated whistle
- Webbing for a bike light attachment
- Key clip
Size and Dimensions
|Best Use||Mountain Biking|
|Water Capacity||2 L|
|Dimensions||18” L x 10” W x 7” D|