The Revolution of Cold.
Designed to keep your water cold and back ventilated, the Down Shift™ Hydration Hip Pack features our revolutionary Cold Flow™ System that keeps water chilled 3+ hours. The ripstop bottle pockets ensure you're well hydrated for longer rides; and the quick stash pockets are easy to reach without ever removing your pack.


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 3 hours.


Stretch Ripstop Bottle Pockets
Puncture and tear resistant with 4-way stretch for easy access to you 12 - 24 ounce Hydro Flask bottles.
Easy Access Storage
Quick stash pockets inside and out for easy access without the need to remove your pack.


Gear Straps
Strap on an extra layer or compress your load - tuck the straps away when not in use for seamless storage.
- Cold Flow System™️ keeps water cold for 3+ hours
- HydraPak®️ IsoBound™️ 1.5L Insulated Reservoir
- High-flow HydraPak®️ Blaster Bite Valve self-seals after each sip
- HydraPak®️ Plug-N-Play™️ connect system for convenient refilling
- Dual stretch bottle pockets fit 12 - 24 ounce Standard and Wide Mouth Hydro Flask bottles
- Deployable, adjustable gear and compression straps
- Dual zippered hip belt pockets
- Internal organization for tools, snacks, keys and other essentials
- Soft-lined media and sunglass pocket
- Bike light attachment
- Reflective logo
Product Benefits
Size & Dimensions
5 L | |
---|---|
Volume | 5 L |
Weight | 1.25 lbs |
Water Capacity | 1.5 L |
Dimensions | 8" L x 10.5" W x 6" D |
Gender | Unisex |
Hydro Flask supports non-profit organizations focused on building, maintaining, restoring, and providing better access to parks. Since 2017, we have been doing just that:
-
122 Nonprofits supported nonprofits.
-
$1.9 million Dollars donated donated.
-
55,958 Bottles donated bottles.
Hydro Flask supports non-profit organizations focused on building, maintaining, restoring, and providing better access to parks. Since 2017, we have been doing just that:
-
122 Nonprofits supported nonprofits.
-
$1.9 million Dollars donated donated.
-
55,958 Bottles donated bottles.