Welding gear needs to be incredibly flame retardant to prevent any sparks igniting clothing. The gear also needs to be anti-static to prevent the build-up of static energy which can lead to sparks and potential explosion if working around volatile fuels or substances. Another important attribute for welding and foundry gear to have is UV protection. The intensity of the light produced can induce sunburns and even blindness. As such it is vital to make sure no skin is left exposed.