Colour coded red to indicate a medium protection level level 1. 13 gauge seamless nylon comfortable breathable liner with a nitrile foam palm coating. Specifically designed to protect the hands when handling oily greasy components. The nitrile foam is designed to aid grip of oilygreasy parts. What's in the box 1 x Tuffsafe Foam Nitrile Cut 1 Glovered Sz.7