S1 Helmet Sizing Liners
Replace S1 Lifer Helmet Sizing Liners with some fresh ones! The S1 Lifer Helmet Sizing Liners are replacement front and back pads for the S1 Lifer helmets. These Liners are compatible with all of the Lifer Helmet Shells including the standard Lifer, Mini Lifer and Mega Lifer.
If you can't figure out your size, get a Fit All Kit! It comes with one of each size liner.