The Pyramex Ridgeline XR7 Safety Helmet is made of ABS/PC material to provides high quality strength and heat resistance. This hard hat features an easily adjustable 6 point ratchet suspension from a hat size of 6.5 Meets ANSI Z89. 1-2014, CAN/CSA Z94.1-2015 standards. to 8. The swinging hinge point and the ratchet suspension can be adjusted for personal preference of height settings and angles. Includes a soft pressure and rear pad for comfortable all day wear. While the headband is designed to be comfortable it is also designed to prevent wrinkling. This helmet attaches with a 4 point chin strap that sits under the chin while securing the helmet. The chin strap has a breakaway safety feature. For high vision safety this helmet comes with 4 reflective stickers that can be applied. Instructions are provided.