Polyester knit CSA Z96-09 Class 3 Level 2 when worn with 6001J StarTech™ FR reflective tape Mesh ventilation panels on upper legs Brass zipper fly access 2-way 28'' leg zippers for ventilation and easy boot access 5 storage pockets: 2 side, 2 back, 1 tool Elastic waist with drawstring Limited Qty. in 2XL and 3XL Orange, or Lime Green