Fear not the wintery commute; the GORE Women's Contest Thermo Bib Tight + Insert provides the warmth you need to stay cycling when the temps start to drop. Built from a stretchy nylon-elastane blend, the Contest Thermo wicks moisture and provides light insulation so you stay comfy on your pedal into the deepening gloom.
I have curves, and don't fit into men's straight-hip tights. I've scoured the internet for women's bib tights that don't cost a fortune. These are fantastic! They are incredibly comfortable, fit great, the chammy is good enough for government work-- it's not the best one ever, but it's not low quality-- and the back zippers really sold me. No need to undress to pee! At first I was skeptical about the zippers, but I did a 180 once I used them because they are so great. You can feel them on your back against bare skin, so I'd recommend an undershirt to prevent them from being scratchy. With an undershirt, you'll probably feel them some, but they aren't bothersome to me. I ride in these down to 30 degrees on a mountain bike, and am toasty.
The reason I bough these was the zippers that make bathrooms stops 3 million times faster. They really are great in that aspect. They also kept me really warm and happy with wool baselayer on chilly fall days.