Includes one (1) two litre (70 fl. Oz) water bladder.
The entire carrier for the GULPZ™ Personal Hydration System is made using the HYPERKEWL™ Evaporative Cooling Fabric.
Bladder will hold two (2) litres (70 oz.) of fluid.
The carrier is designed to keep the fluid in the bladder cool.
Simply soak the carrier in water for 1-2 minutes and keep the fluid in the carrier cool for up to 8 hours, through evaporation.