Thanks to a new technology created in dental sector, it is now possible to have a custom fit mouthpiece. Simply immerse Jax in boiling water for a few seconds, bite down for a personalized mouthpiece and welcome to more comfortable and relaxing dives. Jax can be fitted on all Mares regulators.
PRODUCT INFORMATION
Mouthpiece is larger than most other mouthpieces which makes it easier to hold in your mouth 
Can be molded to fit your mouth 
Larger mouthpieces have more surface area which means that friction can do more of the work to hold the mouthpiece in place and your muscles can work less