DuPont™ Tychem® 4000 delivers effective protection against a range of chemical environments. Tychem® 4000, utilizes Saranex™ 23-P film laminated to Tyvek® fabric to provide a rugged and durable fabric that resists abrasion. Tychem® 4000 fabric provides at least 30 minutes of protection against >124 chemical challenges. Typical applications: chemical mixing, hazardous remediation, emergency medical response, paint spraying, and nuclear environments.Multiple interlocking threads are sewn around the raw edges of garment material to create a strong, stress-resistant seamLaydown collarStorm flap covers zipper which can be sealed by the wearer with adhesive strip to prevent intrusion at zipperOpen wristsOpen ankles