Arc Flash Jacket Class 3 32.3 Cal ProGARM Arc Flash Fleece Jacket provides a clothing protection layer level of Category 3 (32.3 cal/cm²) according to IEC 61482-1-1:2009 'open arc' test method. Specifically designed to be worn with arc flash jacket 5808 or arc flash jacket 5850 as an extra layer for winter warmth or with any other ProGARM ...