Patagonia Capilene 3 Crew - Long-Sleeve - Women's

The Patagonia Women's Capilene 3 Crew Long-Sleeve T-Shirt's heavyweight insulation adds crucial warmth to your layering system for brutally cold days in the mountains.

Burton Expedition 1/4-Zip Top - Women's

Burton made the Women’s Expedition ¼-Zip Top to insulate you against the winter chill, so slip this on underneath your jacket and head to the lift.

Burton Luxury Midweight One-Piece - Women's

Burton Midweight V-Neck Top - Women's

Layer the Burton Women' Midweight V-Neck Top under your shell when the weather gets downright nasty.

Burton Player Shirt - Long-Sleeve - Women's

Functional, fashionable, and completely comfortable, wear the Burton Women's Player Long-Sleeve Shirt under your snowboard jacket when the temps on the mountain drop.

Vans TSS Top - Women's

Vans made the Women’s TSS Top with a Ciba antimicrobial agent to help keep stink to a minimum.

Mountain Hardwear Butter Zippity Shirt - Long-Sleeve - Women's

Light as a feather and smooth as butter, the Mountain Hardwear Women's Butter Zippity wicks moisture and babies your skin while you cover ground on a hiking trip.

SmartWool Sport NTS Crew Top - Long-Sleeve - Women's

The SmartWool Women’s Sport NTS Crew Long-Sleeve Top regulates your temperature naturally by breathing, insulating, and allowing perspiration to evaporate before it even beads up on your skin.

SmartWool NTS Midweight Crew Top - Women's

The SmartWool Women’s NTS Midweight Crew Long Underwear Top slips under your snowsports layers to keep you far warmer than polyester does.

SmartWool NTS Midweight Zip Top - Women's

The luxuriously warm SmartWool Women’s NTS Midweight Zip T Long Underwear Top layers over a tank, under a ski jacket, or wherever you like.

Marmot Midweight Zip-Neck Shirt - Long-Sleeve - Women's

You’d like a super-soft baselayer that won’t smell like a locker-room after your day on the slopes. Welcome to the Marmot Women’s Midweight Zip-Neck Shirt.

Under Armour Subzero Long-Sleeve Shirt - Women's

The Under Armour Women's Subzero Mock Long Sleeve Shirt gives you killer base layer warmth and wicks sweat, so you can be comfortable whether you're skinning up or skiing down.

Icebreaker BodyFit260 Olympia Zip Top - Long-Sleeve - Women's

Kiss energy-draining clamminess goodbye when you pull on the Icebreaker Women’s Bodyfit260 Olympia Long-Sleeve Top.

The North Face XTC Midweight 1/4-Zip Long Underwear Top - Women's

Wear The North Face Women’s XTC Midweight ¼-Zip Long Underwear Top on chilly fall backpacking trips and under your insulated ski jacket when the thermometer is at an insulting low.

Under Armour Base 2.0 Quarter-Zip Shirt - Long-Sleeve - Women's

Don’t let winter interrupt your training schedule when you can add the Under Armour Women’s Base 2.0 Long-Sleeve Quarter-Zip Shirt to your arsenal.

Patagonia Merino 3 Zip-Neck Top - Long-Sleeve - Women's

Head out for a morning run in the midweight Patagonia Women's Wool 3 Zip-Neck base layer.

GoLite Drimove BL-2 1/4 Zip Top - Long-Sleeve - Women's

GoLite DriMove BL-1 Shirt - Long-Sleeve - Women's

GoLite DriMove BL-3 Half-Zip Shirt - Long-Sleeve - Women's

GoLite Drimove BL-2 Top - Long-Sleeve - Women's

Icebreaker GT260 Quantum Hooded Top - Long-Sleeve - Women's

The Icebreaker Women’s GT260 Quantum Hooded Top acts as a warm hoody on October backpacking treks, and the curved front seams and semi-fitted cut make the Quantum a smooth mid-layer option for ski trips come winter.

Cloudveil Run Don't Walk Zip-Neck Light Top - Women's

Any winter morning outdoors should be started with a strong cup of coffee and the Cloudveil Women’s Run Don’t Walk Zip-Neck Light Top.

Under Armour Base 2.0 Crew Shirt - Long-Sleeve - Women's

The relaxed-fit Under Armour Women's Base 2.0 Long-Sleeve Crew T-Shirt functions as a functional midweight base layer to give you comfort through a wide range of cooler temperatures.

Icebreaker GT260 Rapid Full-Zip Jacket - Women's

Wear the Icebreaker Women’s GT260 Rapid Full-Zip Jacket as a top layer on October hikes, and slide the midweight Rapid under your shell for winter ski-slope action.

The North Face XTC Midweight Crew Long Underwear Top - Women's

A bit of carbonized bamboo goes a long way in The North Face Women’s XTC Midweight Crew Long Underwear Top.

Under Armour Basemap Crew Top - Women's

Before you head into the cold arctic air this winter, throw on the Under Armour Women’s Basemap Crew Top. Whether you’re maching down the ski slope or sprinting up the trail, the Basemap keeps you well insulated and ventilated.

Sugoi MidZero Zip Shirt - Long-Sleeve - Women's

Sugoi didn’t just design the Women’s MidZero Long-Sleeve Zip Shirt for biking, hiking, skiing, or running only. You can use it for all of them.

DC Pelly Shirt - Long-Sleeve - Women's

When your hands get cold, stick your opposable digits through the DC Women's Pelly Long-Sleeve Shirt's cuff holes, and give that bar-star manther who offered to buy you a drink a double-thumbs-up.

Icebreaker GT260 Kicker Half-Zip Top - Long-Sleeve - Women's

The Icebreaker Women’s GT260 Kicker Half-Zip Top boasts features that go above and beyond your typical midweight layer. So yes, this top is allowed to look a bit smug when you pull it out of your closet.

DC Aneto 1/4 Zip Top - Women's

The silky-soft DC Women's Aneto 1/4 Zip Top keeps you dry and sweat-free under your snowboard jacket.

Patagonia Merino 3 Hooded Shirt - Long-Sleeve - Women's

The Patagonia Women’s Merino 3 Hooded Shirt warms your torso and head as you ski and breathes like a champ on sweaty fall and spring backpacking trips.

Sugoi Carbon Shirt - Long-Sleeve - Women's

Patagonia Merino 2 Crew - Long-Sleeve - Women's

Moisture doesn’t like to be managed, but the Patagonia Women’s Merino 2 Crew’s wicking, quick-drying combination of natural merino wool and recycled polyester is a little bit of a control freak.

Isis Pointelle Zip-Neck Turtle Top - Long-Sleeve - Women's

An Evaporator finish on the Isis Women's Pointelle Zip-Neck Turtle Top makes sure this mid-layer wicks moisture away from your body lightening-fast.

I/O Bio Merino Contact Pilot Suit - Women's

Ibex Zepher Sport Top - Women's

Send your mangy synthetic layers packing when you pull on the Ibex Women’s Zepher Sport Midweight Long Underwear Top. Thanks to pure New Zealand merino wool, you’ll stay dry, comfortable, and funk-free in the backcountry.

Burton Player Flannel - Long-Sleeve - Women's

Burton made the Women’s Player Flannel Shirt with its high-performance, breathable Dryride Ultrawick baselayer fabric so it dries quickly and insulates like your best long johns.

Roxy Shaker Long Underwear Top - Women's

Roxy made the Women's Shaker Long Sleeve Top so your adorable snowboarding jacket can have an equally delightful layer under it.

Patagonia Capilene 3 Zip-Neck Shirt - Long-Sleeve - Women's

Stay cool while cross country skiing in the Patagonia Women's Capilene 3 Zip-Neck, and then stay warm while waiting for your friends to catch up.

I/O Bio Merino Contact Crew Lightweight Top - Women's

Given its vapor-transferring Merino wool material and close fit, the I/O Biocompatibles Contact Lightweight Long-sleeve Crew ensures dry, comfortable days whether you're charging the winter deeps or biking in Moab in the spring.