New wider design for greater sweat absorption coverage.?Replace your S1 Lifer helmet sized liners with cool, durable, washable, sweat-wicking terry liners.?The S1 Lifer Terry Liner is a replacement sewn-in terry cloth liner for the Lifer helmet.?The terry cloth is sewn into the liner, sealed at the ends, and covers the front and back of the liner making it more durable, allowing it to not break down as quickly as standard Lifer size liners.?The terry cloth also helps absorb sweat and is washable.?We recommend rinsing the terry cloth liner under cold running water with or without light soap, wringing them out and air drying them.?The S1 Lifer terry liner size is exactly the same as our standard liners and they are compatible with all of our Lifer helmets including our Lifer, Mini Lifer and Mega Lifer.?A set of terry liners comes with a front and back sizing liner and velcro to attach the liner to the helmet.