The JT Flex Mask Bottom offers the best in comfort, protection and modular accessorizing. Customize the look of any Proflex or Flex-7 Goggle System by bolting on a new Flex mask bottom and you have a completely new look and feel to your game. The soft skirt material allows for comfort and ventilation while the hard plastic frame offers protection and cutting edge looks. Look for these in standard colors of Black, Blue, Red, and Yellow as well as the hottest colors and patterns in the ever changing JT EPS line.
Bolts directly onto the Spectra lens frame Offers a hard upper and soft lower protection
The JT Flex Bottom is newer, so it should be commonly available, both new and used.