These%20foul-weather%20trousers%20provide%20100%25%20waterproof%20protection%20against%20the%20elements.%20Tailored%20from%20the%20same%20medium-weight%2C%20fleece%20lined%2C%20polyurethane-coated%20polyester%20fabric%20as%20the%20Neptune%20Thermo%20Anorak%2C%20these%20pants%20stretch%20and%20move%20as%20you%20work.