Consistently ranked high for ease of use increased comfort and stability the Fas-Trac III suspension is the perfect remedy for your safety headaches. 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. Designed with input from hundreds of customers. Three levels of nape strap adjustment for a customized fit. Lower nape strap cradles the head. Retention is greatly improved?even when bending over. Smooth ratchet rotation and secure hold. Comfort pad separates the back of the ratchet from the rear of the head cradling the head while encouraging airflow. Standard size: 6-1/2 - 8 . For use with MSA V-Gard & SmoothDome helmets (sold separately). Sold as 1 Each.