Nathan ExoDraw 2.0 Handheld Hydration Belts & Water Bottles Blue Mirage/Nuclear Yellow : The Nathan ExoDraw 2.0 Handheld is an update to the well-known, on-the-go hydration system. Featuring a comfortable hand feel and added insulation runners can stay hydrated with cold water for long races and training runs. The insulated properties in this handheld help keep fluids colder 38% longer than non-insulated soft flasks. A rigid ExoSpine(TM) promotes a more comfortable hand feel and support for use with a soft flask. An expandable mesh pocket provides storage of small essentials. Includes an expandable stash pocket for essentials. Comes with a 18oz BPA-free Insulated Soft Flask. Ergo-designed hand strap provides grip-free comfort, and maximizes running efficiency. Soft flask can be easily removed from sleeve, and used in Nathan hydration vest pockets. A breathable wicking mesh under the hand position provides a superior grip.