Injected molded seamless boot construction. Steel toe style complies with ASTM F2413-05 for impact, compression and CSA standard Z195-09 grade-09 grade 1 for puncture resistance. Steel shank: provides arch protection and support. Safety steel toe in selected styles. Steel midsole in selected styles. Excellent cold weather flexibility. Durable, heavy duty PVC upper with polyester backing. Adjustable polyester nylon strap. Can be folded or rolled without cracking. Resist oil, grease, gasoline, saltwater and ozone. Top drawstring closure of snug fit. Non-corrosive, reinforced suspender buttons. Built-in belt loops with adjustable belt. Non-absorbent lining. Replaceable cushion insoles. All are excellent for use in: utilities, municipalities, aquaculture and commercial fishing. Superior, waterproof protection to the chest. Measures 12-3/4" length by 4-1/2" width by 57-1/4" height.