Safety Coveralls of FR-Tech® 88% premium cotton blended with 12% high-tenacity nylon, 10 oz (340 GSM). StarTech® FR reflective tape. Tough double-stitched seams. Radiophone clip strap. 2-way FR brass non-locking zipper. 6 storage pockets: 2 back, 2 chest, 2 side. Action back, elastic waist and aramid storm cuffs. Adjustable ankles. 3/4 zipper plus snaps on each side. Material and all components meet CGSB 155.20-2000. Sewn with inherently FR thread. All metal components are concealed to ensure no arc flash conductivity. Thermal Protective Performance (TPP) value: contact test 18.8. Meets ASTM F1506-10a, NFPA 70E and CSA Z462-15. ATPV 46 cal/cm² (Arc Thermal Protective Value). ARC 4 Arc Rating Category. CSA Z96-15 Class 3 Level 2 and Class 2 Level FR. 6.5 oz (220 GSM) modacrylic polyester blend FR insulation.