Additional Riggs Workwear by Wrangler FR Jean features:

Arc Rating: 23.7 cal/cm² 

CAT 2

14.5 oz. 100% FR cotton denim

Compliant to NFPA 70E, NFPA 2112

Nomex FR zipper tape

Arc resistant button waistband closure with concealed inner tack reduces heat connectivity

Room to move, improved fit in the seat, thigh and knee

Action gusset for ease of movement

Extra deep front pockets

Reinforced rear pockets

Oversized watch pocket

Triple needle stitching for added durability