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: The Direct Bottom Layer goes great underneath any snow pant to provide an all day guard against odor and perspiration.

Sierra says: Quick-drying and highly breathable with DRYRIDE ultrawick stretch microfleece. Softlock seams for comfort and softwaist logo elastic waistband. Burton says: Packs more heat than Chuck Norris with a sunburn.

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: Double-knit closed cell mesh fabric with quick-drying and highly breathability. Stink proof antimicrobial finish and chafe-free softlock seams for comfort. Softwaist logo elastic waistband is ideal for year-round outdoor activity. Burton says: Roast beef, not nuts.

Sierra says: Double-knit closed cell mesh fabric with quick-drying and highly breathability. Stink proof antimicrobial finish and chafe-free softlock seams for comfort. Softwaist logo elastic waistband is ideal for year-round outdoor activity. Burton says: The ankle itch eliminator.

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: Quick-drying and highly breathable are only two of the features that make this pant comfortable. 360 Of stretch for unlimited mobility. Chafe-free softlock seams for comfort. Softwaist logo elastic waistband is also very soft and comfortable. Burton says: Stokelize your equilibrium all season in any weather.

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 Crew is that wool feeling that we all love... The relaxed fit helps if you want to layer or lounge. With quick dry and scent prevent you can sweat and not smell or feel like it.

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: 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: The Epic2 Mid-Weight Waffle Crew helps your stay warm, stay dry, have fun. With breath ability and scent prevent you are able so stay warm dry and smelling good.

Sierra says: The Heavy-Weight Fleece Zip will help you if you are going somewhere like the Antarctic? Don't freeze With 4 way stretch and awesome breath ability you can be sure that you wont feel any wetness during the day.

Sierra says: Mid-weight Pant (Tall) for chillier days and for those of us that need a little extra length. This pant is an awesome all around pant if you're using it for layering or lounging. With quick dry and scent prevent you are sure to stay dry and not stink!

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: 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 Mid-Weight Crew Thermals are a great first layer for anyone, any age. With the quick dry and relaxed fit you will keep looking good and smelling it on the ride home.

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 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: Get all the protection you need from the cold. The TSS pant will keep you nice and toasty through the harsh weather you might encounter. Vans says: The TSS pant has versatile stylish protection that goes against all winter elements.

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