Arc Rating: 13 cal/cm2 CAT 2 Fabric/Material: 6.2 oz. TECGEN SELECT® OPF Blend Knit Features OPF, the latest carbon fabric technology Inherently flame resistant, FR protection will not wash/wear out Dual certified to protect against flash fire and arc flash hazards Excellent layering piece for added protection Unsurpassed moisture-wicking and drying rate Lightweight, breathable FR performance fabric Rib knit cuffs for a comfortable secure fit Unique heathered color options 3 button placket Quickly identify compliance with exterior labeling Increased comfort at neckline with tagless label printing and covered seams Home laundry FR fabric will not melt, drip, or ignite Made in the USA Compare to Carhartt style 100237 Keyword: C541 C541N BSLS NSA