SALISBURY PRO·WEAR™ ARC FLASH GLOVES are available in ATPV ratings of 11 to 100 cal/cm2. These gloves are sewn with Nomex® thread. The 100 cal/cm2 rated gloves are made from TuffWeld® (60% Lenzing FRTM . 40% Kevlar®) and Q/9® layered material. The 11 to 55 cal/cm2 gloves have a 9 oz./yd2 (305 g/m2) SEF (self extinguishing fiber™) modacrylic lining and Indura Ultra Soft® outer shell. The shell make up varies depending on the level of protection.