The Hydrapak Shape-Shift™ Reservoir features a sleek, low-profile design with an adjustable baffle that locks at 1.5L for stability or unlocks to 2L for full volume. Compatible with all Kriega backpacks, it’s built for high-performance activities, providing enhanced hydration flow, easy refills, and effortless cleaning. Whether you're in motion or off the beaten path, the Shape-Shift™ offers reliability and convenience with a durable construction that withstands the toughest adventures.