Just ordered a pair of "Dry-on-the-Fly cargo pants for winter.
They have a "100% nylon" shell and a 200 weight polyester fleece lining, all for $89. with free shipping.
-> 5.6 oz. nylon shell
-> double knees and seat
-> gusseted crotch
-> web belt W/plastic QR plastic buckled
Best winter pants I've seen for both around town and hiking.