I commute about 10 miles a day in Portland, OR. Needless to say rain is a big part of many of my rides. My current rain pants leave me almost as sweaty as if I had just ridden without the rain gear. ...
To answer the comment after this question, what should one know about wind- and water-resistent jackets? For example, what is "Gore-Tex", is it always expensive, and is there anything else like it? ...