Our Down Shift™ Hydration Pack features our revolutionary Cold Flow™ System that keeps water chilled for over 4+ hours. Designed to shift weight down for a stable ride while offering ample storage for your gear. Water stays cool. You stay comfortable. Mile after mile.
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
Which Hydro Flask bottles fit into the stretch mesh pocket?
12 oz - 24 oz Standard Mouth Bottles
12 oz - 24 oz Coffee, Wide Mouth & Kids Bottles
25 oz Wine Bottle
Size & Dimensions
18” L x 10” W x 7” D
The perfect companion for your Unbound Series™ Soft Cooler, the Unbound Series™ Ice Pack is durable enough for any adventure.
Ultra cool liquid contents
Easy grab handle
Durable molded plastic construction
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