Sierra says: The women's 686 Betsey Layer Bottom goes great with the top to provide your body with full protection throughout the day. The bottom goes down a little below the knees for a perfect length so that you're socks can come up and just barely go over them and you don't get any bunching in your boots.

Sierra says: These first layer pants keep you all nice and toasty without the unnecessary sweat that goes along with it. Comes with a shorter inseam that won't bunch in your boots and it comes in tropical green to match the expedition zip. Burton says: Protect your buns from freezer burn.

Sierra says: We'll spare you the wet and give you more of the wild.

Sierra says: Get wild under those pants.

Sierra says: 180 degrees of unlimited mobility and a shorter inseam so that there's no worries of being the slightest uncomfortable all day long while you're tearing up the mountain. Comes in tropical brass cupcakes and true black tidal wave print. Burton says: Ready to rock, from the park to the dance floor.

Sierra says: Ultrawick stretch jersey with quick-drying and highly breathable fabric. Stretch 360 degrees for unlimited mobility. Chafe-free softlock seams for comfort make this one of the most comfortable layers ever. Softwaist logo elastic waistband and shorter inseam also make it perfect for any time of year. Burton says: Just the right length, just the right heat... Enough said!

Sierra says: The Acclimate Wool Zip Mock has that wool feeling that we all love... With Quick dry and a relaxed fit you can be sure to stay warm and look good if your just lounging around or layering.

Sierra says: The Epic Light-Weight Pant has a relaxed fit for lounging around or under your gear. This pant is perfect for anyone that wants to stay warm and comfortable. With scent prevent you are able to stay stink free and the relaxed fit will keep you looking good.

Sierra says: Mid-weight Pant is for chillier days. Microfibers will keep you warm and toasty no matter what kind of conditions you are going through. With scent prevent you can stay looking good and smelling it too, and when you do decide to wash them they wont shrink up on you

Sierra says: The Quattro Fleece Pant has a more sporty fit, and has the scent prevent. With superior pill resistance that means you will have no more nasty yarn balls all over your garments after washing. And cleanings a snap, just throw it in the wash and dry!

Sierra says: The Women's Borealis Jersey Pant goes great with the Aurora Jersey with the same detailing. Bottom cut comes down to a little below the knee. It'll keep you feeling amazing while riding down the hill, and you'll keep protected from unwanted odor and moisture.

Sierra says: The TSS pant is very comfortable and perfectly warm.