These imprm ht vis unsx jne pants are made of neoprene and nyl and have a vulcanized seam to provide protection against chemicals. They are made of neoprene and nylon and have a vulcanized seam for protection against chemicals. They have a 36" waist and 26" inseam and have one shoulder strap and one inside pocket. It is .012 to .014 inches thick and has a fabric weight of 12 ounces per square yard.