A very nice pre-owned pair of fire-resistant jeans from Carhartt.  Well broken in.  Some distress on the denim as well as discoloring-not as much as it looks in the pics.  New, this model retails for $120.00.  Here is more info:

Arc Resistant Button Closure at Waist, Brass Zipper Fly with Nomex(R) FR Zipper Tape, Carhartt Strong Triple Stitched Main Seams, Garment Washed for a Soft Finish and Reduced Shrinkage, Seat, Thigh and a Straight Leg Opening, Two Reinforced Back Pockets, three front pockets.  

MFR #FRB100-DNM

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