Bring amazing lightness and awesome protection to your gravity-fed adventures. A multi-directional impact protection system (MIPS) reduces rotational forces and torque of side impacts, making this a super-safe option for your irreplaceable brain. Impact protection system reduces the rotational force of an oblique impact. An inner shell, under the foam, between the padding, rotates slightly to mitigate torque. Lightweight in-mold construction with a polycarbonate shell and an EPS inner AirEvac2 system drives warm air away from your goggles and adjusts by folding or unfolding liner flaps. Lifestyle Fit System has a self-adjusting elastic at the back of the head, so fit is taken care of. Removable Snapfit SL earpads are machine washable and work with Skullcandy audio systems. Toque-compatible liner is removable and machine washable. Contoured to match the curve of Smith goggles for gap-free coverage.