Nomex® IIIA coveralls style 109. 6 oz. 93% Nomex®, 5% Kevlar and 2% Carbon added for improved anti-static performance. Material is inherently flame resistant. Breakaway zipper. H2S monitor can attach to outside of pocket with strap and elastic fasteners. No melt, no drip Velcro®. Lowered X striping on back to allow room for company logo or hooded undergarment. Waist striping. Nomex® fabric meets the requirements of: NFPA 2112, NFPA 70E, CGSB 155.20, ASTM F1506, CSA Z462.