The Revolution of Cold The Down Shift™ Hydration Pack features Hydro Flask's 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. Key Features: 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 Hydro Flask Mesh Pocket Compatibility: 12 oz - 24 oz Standard Mouth Bottles 12 oz - 24 oz Coffee, Wide Mouth & Kids Bottles 25 oz Wine Bottle
