Designed with input from hundreds of customers. For use with MSA Helmets, as specified. Fas-Trac® III ratchet suspension 4-points. Flush rear lug attachments eliminate pressure points. Three levels of nape strap adjustment for customized fit. Graspable ratchet with ultra-smooth rotation and steadfast hold. The ratchet comfort pad contours to the back of the head to improve airflow and prevent hair-pulling. Webbing: Black Polyester (PET), double straps, 4 points/ Weight: Fas-Trac III with wipeable sewn in PVC sweatband: 89 g Fas-Trac III with sweat wicking foam sweatband: 91 g/ Size: 52–64 cm/ Metal parts: No metal parts. Fit-Used for V-Gard helmets.