This is the stock pad that goes on the top inside of your S1 Lifer helmet. It is compatible with both Mini Lifer, Lifer, Mega Lifer, Lifer Visor, Retro and Fullface helmets. It will stick to the top of your helmet with velcro. This 4mm top pad comes in every S1 Lifer helmet standard and is the stock/recommended replacement.
Note: 2mm, 6mm & 8mm liners were discontinued and are no longer available.