Women's Midweight Long Underwear - Tops

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.

Icebreaker BodyFit 260 Crew - Long-Sleeve - Women's

We can see why the Women's BodyFit260 Crew is one of Icebreaker's best selling base layers every year.

Icebreaker GT 260 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.

Icebreaker GT 260 Quantum Full-Zip 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.

Terramar Outlast Crew Top - Women's

Throw on the Outlast Top before you take your new puppy out for a short hike. At least you will be comfortable and dry when you try to keep up with that little rascal.

Icebreaker BodyFit 260 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.

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.

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.

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.

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.

Terramar Explorer Crew Neck Top - Women's

Wear the Terramar Women’s Explorer Crew Shirt for all your full-throttle backcountry adventures. Honeycomb channel fabric reduces skin contact, increasing breathability and comfort during aerobic activity.

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.

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.

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.

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.

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.

Icebreaker BodyFit260 Olympia Crewe - Long-Sleeve - Women's

Pull on the Icebreaker Women’s Bodyfit260 Olympia Long-Sleeve Crewe and benefit from merino wool that’s fit for the gods. This form-fitting base layer breathes well and pulls moisture away from your skin.

Kombi Bamboo 4-Way Stretch Two Tone 1/4 Zip-Neck Top - Women's

The Kombi Bamboo Four-Way Stretch Two-Tone ¼-Zip Neck combines cutting-edge looks with leading-edge fabric technology in a sweet base layer top for women.

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.

Sugoi Carbon Shirt - Long-Sleeve - Women's

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.

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.

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.

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 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 SportLTD Summit Sweater - Women's

Pull on the Icebreaker Women’s SportLTD Summit Sweater for maximum warmth and breathability on the mountain. This midweight merino wool ski sweater naturally resists odor so your lodgemates won’t be heading for the hills.