Miner 49ER jacket made of heavy duty neoprene with nylon, PU backing. Comes with 2 inch reflective tape strategically placed front and back, heavy duty Viking elastic suspenders and double bib design with inner pouch and pen holder. It is resistant to acids, chemicals, oils and solvents, heat and flame incidental contact protection, excellent puncture, tear and abrasion resistance, seam sealed and taped. Used in places of heavy risk chemical splash protection, heat and flame incidental contact protection, high abrasion contact protection. Suitable for long wearing industrial applications and abrasive environments. It is 100% waterproof.