Keystone Safety garment with SMS 40gm protective coating. White with 5 snaps and elastic wrists. No pockets. Sizes S - 2XL.SMS barrier fabric is a unique tri-laminate construction that offers a high tensile strength and toughness that is also soft, drapable, and easy to work with. SMS provides a fluid and particulate barrier to protect the worker without sacrificing mobility and comfort.SMS is lightweight and resistant to tears and punctures. DENTEC Keystone Safety Lab Coat