All Bomber glasses with this foam are fully guaranteed to:
Float: No other floating eyewear provides the same superior buoyancy of EVA foam period.
Grip: Non-slip EVA converts your glasses into strapless goggles. The foam grips and never slips.
Prevent Dry Eye: Just enough foam at the hinges keeps the vortex of dust and dry air from forming near your eyes.
Just Feel Good: The smoothness, even temperature and overall comfort of EVA foam lets you wear your glasses longer at a time.