The 2019 version of this handy reservoir has been re-engineered with more high performance features and enhanced design for 20% more flow. Smart design, meet peak performance – also known as the Shape-Shift Reservoir. Hydrapak's time-tested creation for hydration on the go, it can take a serious beating, it fits nicely in most packs and it’s fully reversible for easy cleaning. Durable, dependable form and function.

• Shape-Shift baffle locks for a slim profile and increased stabilization; unlocks for full volume and reverses for easy cleaning
• Slide-Seal top opens wide for easy filling and closes tight for a leakproof seal
• Dual FlexGrips make it simple to fill, carry and access in your pack
• Flexible 36" HydraFlex drink tube is non-kinking and provides a steady flow
• High-flow Blaster bite valve self seals after each sip and features a twist on/off bar to prevent leaks when not in use
• Plug-N-Play connect system lets you easily disconnect the drink tube (an auto shutoff valve prevents leaking) and remove the reservoir from your pack for convenient refilling
• Fully reversible for easy cleaning and drying, top-shelf dishwasher safe
• Made of ultra-durable, abrasion resistant TPU & RF welded seams for superior durability and elasticity
• Can be frozen or filled with hot water (max temp 60° C / 140° F
• Safe and reliable, 100% BPA & PVC free
• Capacity: 3 L / 100 fl oz unlocked, 2.5 L / 84 fl oz locked
• Weight: 154 g / 5.4 oz
• Dimensions: 445 mm / 17.4 in x 165 mm / 6.5 in
• Material: Thermoplastic Polyurethane; PP/POM; Silicone