Smart design, meet peak performance – also known as the Shape-Shift Reservoir. Our time-tested creation for hydration on the go can take a severe beating, it fits nicely in most packs, and it’s fully reversible for easy cleaning—durable, dependable form and function.

Simply put, some athletes thirst for more. That’s why we developed our high-capacity 3-liter Shape-Shift. Like its smaller brother, it’s extremely durable, fully reversible for easy cleaning and, like all our reservoirs, helps you perform at your highest levels.

• Low Profile. An adjustable baffle maintains a low profile when filled and increases stabilization during high-impact activities

• Easy to Clean. Simple to use slider top makes it fully reversible for cleaning and drying, and easily turns inside out

• Plug and Play. Quickly disconnect the drink tube (an auto shutoff valve prevents leaking) for convenient refilling

• High Flow. Engineered with updated high-performance features and an enhanced design for 20% more flow