Tychem SL is formed from Tyvek with a layer of Saranex laminated to one side by heat and pressure process. These garments featuring bound construction seams provide superior barrier protection from Hazardous liquids, toxic chemicals and particles in dangerous enviorments. A generous cut provides a comfortable overall fit and freedom of movement. The coverall with hood/elastic has elastic on the wrists and ankles.while the Coverall with Hood/Boot features elastic wrists, attached hood with elastic and attached booties. Booties must be worn inside protective outer footwear. Packaged 12/ case Sold Individually.