This product is just the chips - they do not come with a liner - they are designed to drop into our premium knit liners only. Any new premium liner and premium accessory upgrades are compatible and ready for you to drop these in and get to shredding to your favorite songs.
MIPS Brain Protection System
Rotational motion can cause brain injuries. The low friction layer allows a sliding movement of 10-15 mm in all directions, reducing rotational motion to the brain during impact.