DESCRIPTION

Techniche Hyperkewl Gulpz Cooling Hydration Back Pack

Hands free convenience, stay hydrated (at safe) at work or play

70 ounce (2 liter) fluid capacity

Includes fluid reservoir, drinking tube, and bite valve

Carrying unit made from HyperKewl cooling fabric

Soak entire Gulpz like any of our evaporative cooling systems and keep your water cool for several hours