A technical hydration pack that keeps water cold for hours. The Down Shift™ is comfortable and holds the gear and water you need for day hikes and mountain bike rides. Designed to shift weight down for a stable ride while offering ample storage. The insulated reservoir is easy to fill—just add water and ice, pack your gear and hit the trail. 14 L pack, 2 L reservoir Cold Flow™ System keeps water cold 4+ hours HydraPak® IsoBound™ 2 L Insulated Reservoir High-flow HydraPak® Blaster Bite Valve self-seals after each sip HydraPak® Plug-N-Play™ connect system for convenient refilling Dual zippered internal access Soft-lined media and sunglasses pocket Helmet attachment loops Chest strap with integrated whistle Bike light attachment point Durable, abrasion-resistant fabric