The UltrAspire Synaptic Hydration Belt has an upgraded MBS TM belt -- .
Is the most stable bottle belt ever created , so stable it goes against the common stereotype that waist packs bounce .
The UltrAspire Synaptic Hydration Belt has an upgraded MBS TM belt -- and is the most stable bottle belt ever created , so stable it goes against the common stereotype that waist packs bounce .