4.7-ounce 50% viscose/33% meta-aramid/10% nylon/5% para-aramid/2% antistat flame-resistant novelty woven - Inherently flame-resistant fabric - Meets the performance requirements of NFPA 70E/ASTM F1506 - UL Classified to NFPA 2112 - FastDry: Sweat-wicking technology keeps you cool and dry - Force Sun Defender UPF 50+ protection blocks 98% of harmful UV radiation - Anti-microbial technology prevents odor - Triple-stitched main seams - Breathable honeycomb weave - Anti-static colorfast fabric - Extended sleeve plackets with two-button adjustable cuffs - Carhartt FR label sewn on left pocket; NFPA 2112/CAT 2 label sewn on sleeve placket - Two chest pockets with button closures and pen stall on the left pocket - Back length (medium regular length): 31"