The 3M™ Hard Hat H-700 Series is engineered to provide full-shift comfort, head protection, balance and stability. The lightweight H-700 Series features a unique top of hat design with a short brim and both a vented and nonvented version. This hard hat is made from high-density polyethylene and meets the requirements of the ANSI/ISEA Z89.1 – 2009 Type I, class C, G and E.