MSA Fas-Trac III Replacement Suspension Base Layer Comes with MSA’s Fas-Trac® suspension

Comes with MSA’s Fas-Trac® suspension

FR treated 100% polyurethane/poly supported

Adjustable vacuum for adults (100%) or children (50%)

and seal coating

MSA Fas-Trac III Replacement Suspension Base Layer Comes with MSA’s Fas-Trac® suspensionDesigned with input from hundreds of customers For use with MSA Helmets, as specified Fas Trac III ratchet suspension (4 point and 6 point, as noted) 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 Ratchet suspension for