Arc flash hood made from arc rated PYRAD® Technology by GORE-TEX LABS. This superior one-layer fabric technology provides 40 cal/cm2 protection from heat, flame, flash-fire and other associated arc flash hazards. Like our premium Gore Pyrad® garments, hood has the form, fit and function you expect from Mechanix Wear design. Comes with a highly transparent face shield window, with light gray tint for high visibility, great optics, and accurate color rendering. Sewn-in fan unit to provide ambient air circulation for cooling comfort. NOTE: Fan system moves ambient air only to provide additional cooling comfort and air circulation to user. It is not a filtered system, nor a NIOSH approved system.