Made of polyethylene shell with suspension system working together as a protection system. MSA V-Gard caps meet or exceed all applicable requirements for a Type I (top impact) helmet as outlined in ANSI Z89.1-2014, Class E, and as outlined in CSA Z94.1-2005, Class E with 1-Touch® and Fas-Trac suspensions. For European versions, Push Key suspension fulfills EN 397:1995. MSA V-Gard caps are not specifically designed to protect against lateral blows from the front, side, or rear. Available in three sizes for cap : small (6-7⅛), standard (6½- 8), and large (7 – 8½), Hat : medium (6½ – 8") only and in a wide choice of colors in order to satisfy your requirements.