CamelBak is an outdoors equipment company based in Petaluma California best known for its hydration products such as hydration packs and water bottles. CamelBak is also a supplier of hydration packs protective gear and other products to the U.S. military and law enforcement agencies around the world.CamelBak is an outdoors equipment company based in Petaluma California best known for its hydration products such as hydration packs and water bottles. CamelBak is also a supplier of hydration packs protective gear and other products to the U.S. military and law enforcement agencies around the world.