These are some nice rain pants. They are waterproof and amazingly breathable. They are also wide enough for me to pull them on and off without having to take my boots off (medium-sized boots that is).
Regarding the sizing, I wear 33W-32L in Levi's jeans and these pants' medium fits me perfect.

My only disappointment is that there is no zip, snap button or anything to close the hip-level slits. So if you are riding a motorcycle (or a bicycle for that matter), your hips might be exposed to the rain unless you have a long enough rain jacket.

Bottom line: Excellent pants that would have gotten 5 stars if the slits could be closed.