MSA Plastic/Nylon Fas-Trac III Large Replacement 4 Point Ratchet Suspension With Flush Rear Lug Attachment And 3 Level Nape Strap For Use With V-Gard Helmet MSA Plastic/Nylon Fas-Trac III Large Replacement 4 Point Ratchet Suspension With Flush Rear Lug Attachment And 3 Level Nape Strap For Use With V-Gard Helmet Designed with input from hundreds of customers For use with MSA Helmets