The Revolution of Cold

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.

Product Benefits

• 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

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

Overview

The perfect companion for your Unbound Series™ Soft Cooler, the Unbound Series™ Ice Pack is durable enough for any adventure.

Product Benefits

• Refreezable
• Non-toxic fill
• Ultra cool liquid contents
• Easy grab handle
• Durable molded plastic construction