MSA 10153518 Polyester Sweatband Moisture Wicking Pad for Use with Fas-Trac III Suspension, Blue/Gray Color (Pack of 10) Polyester Designed with input from hundreds of customers For use with MSA Helmets, as specified Fas-Trac III ratchet suspension Flush rear lug attachments eliminate pressure points Three levels of nape strap adjustment for customized fit