The Ergodyne® Men's GloWear® Class E High Visibility Thermal Pants are made of breathable Thinsulate for warmth and waterproof comfort. High-visibility pants feature big mouth ankle openings with clever hook-and-loop closures so you can put them on without having to take your boots off. 3M Scotchlite tape helps boost your visibility at night. Ideal for flag crews, road construction, utility workers, survey crews, construction and railway workers. ANSI 1-7-2015 Class E.