Aftermarket Replacement Pads Liner for Lazer O2 and Oxygen Helmets Aftermarket Replacement Fit Pads Liner Cushions kit compatible with Lazer O2 and Oxygen helmets 5/16 inch thickness, competitors are only 1/16 inch Includes FREE sticky self adhesive Hook Fastener Dot Tabs that stick to your helmet and these pads High quality material foam, washable, breathable Proudly made in the USA