Stay SAFE and DRY at the same time. The 1685 Hi Vis work pants are Class E and water proof. The suspenders help keep the pants where you want them, but if you prefer a belt instead, the suspenders zip and clip off. While these are designed to be pullover pants, they do not lack any of the functionality you have come to expect from Blaklader. Kneepad pockets and functional side pockets keep you safe and efficient even in a wet environment. ANSI/ISEA 107-2010 Class E. When Class E pants are worn with Performance Class 2 or Class 3 apparel, the overall classification for the ensemble shall be Performance Class 3