Pioneer Single-Layer Flame Resistant Cotton Safety Coverall. 100% cotton, FR treated, 10 oz (340 GSM).ARC 2 Arc Rating Category. StarTech FR reflective tape. Sewn with inherently FR thread.2-way FR brass non-locking zipper. 7 storage pockets: 2 back, 2 chest, 2 side, 1 tool. 2 pass-through pockets. Adjustable wrists and ankles. Action back and elastic waist. Radiophone clip strap.