The hydrapak shape shift 2l reservoir smart design meet peak performance ndash also known as the shape shift reservoir our time tested creation for hydration on the go it can take a serious beating it fits nicely in most packs and itrsquos fully reversible for easy cleaning durable dependable form and function hydrapak shape shift 2l reservoir features shape shifttrade baffle locks for a slim profile and increased stabilization unlocks for full volume and reverses fo