Hard Hat PIP RZRBack™ Advanced Safety Helmet, Class E & Class C, Non Vented & Vented, MIPS + QUIN, HP1242RM HP1242RVM🍁 A7 One Piece Carbide Cutters feature carbide One Piece Carbide Cutters feature carbide teeth for longer life and smooth cuts in stainless steel and other hard metals TenActiv™ engineered yarn provides 360° cut protection with maximum ANSI A9 cut resistance for the torso and arms face and hearing protection The RZRBack Mips® offers a low friction layer that allows the head to move inside the helmet (10mm – 15mm relative motion in all directions) which can redirect the harmful rotational motion otherwise transferred to the head