Camelbak Coyote Mil Spec Crux Thermobak Hydration Pack 3L 100oz h20 camping / hiking outdoor bag Backpack. Khaki brown color. Adjustable. Interchangeable patch option for the velcro. Water bag tested. No leaks tight seal. Item will come shipping in a poly mailer. This item is not a yeti. But does have a velcro yeti patch that can be removed.