If you want to make sure yoursquove got a cold drink ready at the end of your hike this is your bottle the vacuum insulated steel chutereg keeps things frosty for up to 24 hoursmdasheven longer if you add ice the bottle is designed for chugging with a high flow spout and a cap that fits neatly into the handle to stay out of your way when yoursquore drinking the double walled design keeps condensation from collecting on the outside of the bottle and the powder coated paint job keeps thing