A video review of the Helium 4, a hydration belt by FuelBelt:
Lightweight helium 3-D Ventilated Foam Pads
Four 8 oz. bottles evenly distributed
Knit elastic with velcro closure
Detachable race pocket
Reflective piping keeps you visible
Bottles are dishwasher safe
Total Volume: 32 oz.
Sizes: S (27-29), M (30-32), L (33-35), XL (36-38)