Hike, Bike, Hydrate 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. Features: 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 Ventilated back panel Media pocket Specifications: Outside Dimensions: 7.0" L x 10.0" W x 18.0" H Product Weight: 2.20 lb Hydro Flask 14L Down Shift Hydration Pack