HP44120 Features Shell constructed from ABS material ; Low profile design; Available with 4- point and 6-point ratchet suspensions ; Swinging hinge points ; 4-position harness ; Adjusts from 6 to 8 ; Rear padded suspension ; Replacement suspensions available; Vented pressure pad ...HP44120 Features Shell constructed from ABS material ; Low profile design; Available with 4- point and 6-point ratchet suspensions ; Swinging hinge points ; 4-position harness ; Adjusts from 6 to 8 ; Rear padded suspension ; Replacement suspensions available; Vented pressure pad ; Universal accessory slots ; Passes Reverse Orientation, High-Temperature (HT) and Low Temperature (LT) ; Vented cap style hard hats are rated Class C and do not meet Class E or G safety standards; Product Specification Sheet