Vehicle drivetrain system with a dual wall boot

A vehicle drivetrain comprising:

• a driveshaft;
• a driveshaft joint configured to be coupled to an end of the driveshaft, the driveshaft joint having an exterior wall defined by an outer race, the driveshaft joint further having roller bearings and a yoke, the roller bearings being disposed on the yoke, the outer race being a housing for the roller bearings;
• and
• a boot disposed over the driveshaft joint, the boot having an inner wall and an outer wall, the inner and outer walls being separated by an empty space, the inner and outer walls include a plurality of annular folds, the outer wall of the boot includes a plurality of openings formed in the annular folds of the outer wall to enable air exchange between the empty space and an exterior environment of the boot, the inner wall being installed to the exterior wall of the driveshaft joint at a position over the roller bearings, the boot including a first seal disposed between the inner and outer walls at a first end of the boot to seal the empty space at the first end, the boot further includes a second seal disposed between the inner and outer walls at a second end of the boot to seal the empty space at the second end.