Magid AR Defense™ relaxed-fit base layer shirts and balaclava include 4.5 oz jersey knit shirt (ARS450), 6.5 oz interlock knit shirt (ARS650), and 6.5 oz. interlock knit balaclava (ARH650) with respective ATPV/arc ratings of 4.9, 8.2, and 8.2 cal/cm². Addressing revised National Fire Protection Association (NFPA) 70E standards for workplace safety, these items are made of blends of inherently flame-resistant fibers and provide Arc-Rated (AR) and Flame-Resistant (FR) protection.