Petzl Pro Alveo Best Professional Helmet<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>PROTECT YOUR HEAD: Its closed shell offers protection against electrical hazards and molten metal spray. Impacts are absorbed by deformation of the expanded polystyrene liner.</li><li>STAYS PUT: Strong chin strap (more than 50 daN) limits the risk of losing the helmet during a fall.</li><li>LIGHTWEIGHT: Built for reduced weight， the ALVEO BEST only weighs 350 grams.</li><li>COMFORT IS KEY: CenterFit adjustment system adjusts the headband and keeps the helmet centered on the head.</li><li>PERFECT FIT: The ALVEO BEST comes with two sizes of headband foam.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41H-ObyAQvL.jpg" noproxy>