Genuine German Army Issue Waterproof Trousers with braces.
Some are branded goretex and some aren't it depends on the manufacture date, all are genuine German Army MVP (Moisture Vapor Permeable) breathable waterproof fabric.
The trousers are known to be small-fitting. You MUST measure around your waist WHILE wearing the layers you intend to wear underneath these waterproof over-trousers to determine the appropriate size.