UltrAspire MBS Neutron BeltBuild your complete belt with the UltrAspire™ MBS Neutron Belt for a light and simple belt.
Must be paired with an MBS bottle holder: the Ion, Fusion or Synapse. - The MBS belt alone is only half of the complete belt. Limited stretch elastic for comfort. - Adjustable speed hook and webbing retention for the right fit. Universal size. - Weight: 47 grams. Imported.