The proquip aquastorm px1 waterproof trousers are cut from a lightweight super soft polyester fabric that has a subtle satin finish this is coated in a polyurethane which provides total water protection the inner mesh lining provides warmth added comfort and aids breath ability the aquastorm px1 trouser comes with a 3 year waterproof guarantee and is the perfect compliment to the matching aquastorm jacket sold separately other features include proquips swing silent technology which limit