X-Bionic Energy Accumulator Shirt - Long-Sleeve - Women's

The X-Bionic Women's Energy Accumulator Long-Sleeve Shirt compresses your muscle for greater power and distributes your body heat to keep you comfortable.

Marmot Power Stretch Half-Zip Fleece Shirt - Women's

Body-hugging Polartec Power Stretch Fleece fabric makes the Marmot Women's Power Stretch Half-Zip Shirt an excellent first layer for cold-weather activities.

Mountain Hardwear Double Wicked Lite T-Shirt - Long-Sleeve - Women's

Under Armour Coldgear Quarter-Zip Shirt - Long-Sleeve - Women's

When you wear the Under Armour Women’s Coldgear Quarter-Zip Long-Sleeve Shirt, ‘braving’ the cold becomes more like a walk in the park. This lightweight top keeps you warm when the mercury drops down to say hello.

Columbia Jammin' Journey Half-Zip Top - Long-Sleeve - Women's

For epic trips, long vacations, and normal days around town, a warm, stretchy fleece like the Columbia Women’s Jammin’ Journey Half-Zip Top is pretty much essential.

Icebreaker GT150 Dash 1/2-Zip - Long-Sleeve - Women's

You don’t want to pack much on your backpacking trip, and you also don’t want to smell like a gym locker at the end of the two weeks. Bring the Icebreaker Women’s GT150 Dash ½-Zip Shirt.

Columbia Mountain Tech Top - Long-Sleeve - Women's

Head out for a hike or mountain bike ride with sun protection from the Columbia Women's Mountain Tech T-Shirt.

Horny Toad Verna Top - Long-Sleeve - Women's

Is it a bike jersey? Or a sporty-casual shirt? In fact, you can have your cake and eat it too with the Horny Toad Women’s Long Sleeve Verna Top.

Mountain Hardwear Butter Topper Hooded Shirt - Long-Sleeve - Women's

Well, butter my butt and call me a biscuit. The Mountain Hardwear Women’s Butter Topper Hooded Shirt is silkier than a kiddie pool full of warm honey butter.

prAna Fiona Pullover Top - Long-Sleeve - Women's

The prAna Women’s Fiona Pullover Top’s unique shape stands out whether you pair it with jeans, capris, or a skirt.

GoLite Vermillion Thermal 1/3 Zip Top - Long-Sleeve - Women's

Berghaus Chutura Stretch Shirt - Long-Sleeve - Women's

With a smooth face and soft, grid-fleece backer, the Berghaus Women’s Chutura Stretch Shirt wicks moisture and controls core temperature while easily layering up for colder outings.

Cloudveil Run Don't Walk Zip Neck Shirt - Long-Sleeve - Women's

Like when you were young, the Cloudveil Run Don't Walk Zip Neck reminds you that you had the right idea years ago; to keep moving.

prAna Annika Turtleneck Top - Long-Sleeve - Women's

The prAna Women's Annika Turtleneck slides easily over your fitted tanks for chilly climbing approaches.

Mountain Hardwear Marin T-Shirt - Long-Sleeve - Women's

Lolë Pure Top - Long-Sleeve - Women's

The Lolë Women’s Pure Top doesn’t look like a shirt you’d go hiking in or sweat all over during yoga class, but its comfy, stretchy fabric with a wicking finish can handle whatever you dish out.

Pearl Izumi Fly Top - Long-Sleeve - Women's

Since you sweat even when it's chilly out, Pearl Izumi made the Women's Fly Long-Sleeve Top with mesh vents in the armpits and a front zipper.

Sugoi Speedster2 Top - Long-Sleeve - Women's

The hooded Sugoi Women's Speedster Top traps body heat and wicks perspiration so you stay comfortable in cold weather.

Sugoi Wallaroo 290 Speedster Top - Long-Sleeve - Women's

Sugoi chose merino wool for the Women’s Wallaroo 290 Speedster Long-Sleeve Top, gave it a hood and thumb holes, and declared it a winner.

Sugoi Verve Top - 3/4-Sleeve - Women's

The Sugoi Women’s ¾-Sleeve Verve Top’s block design and extra light mesh fabric gives you a fresh look and feel.

Ex Officio ExO Dri Pointelle Scoop Shirt - Long-Sleeve - Women's

Ex Officio used performance Dri-Release fabric to make the Women’s ExO Dri Pointelle Scoop Shirt something you can wear on a plane, on a trail, or just in the neighborhood with your dog.

Lolë Sumptuous Hooded Pullover - Women's

You haven't ice-skated in years, but your boyfriend thought it would be fun. Slip into the Lolë Women's Sumptuous Hooded Pullover and glide out onto the ice.

Roxy Athletix Run Roxy Run Shirt - Long-Sleeve - Women's

Helly Hansen Stripe Hooded Shirt - Long-Sleeve - Women's

Ex Officio ExO Pointelle Turtle Shirt - Long-Sleeve - Women's

Ex Officio Women’s ExO Pointelle Turtle Long-Sleeve Shirt may look like a classy dinners-out turtleneck, and it is, but its ExO Dri fabric will also wick and dry with the best of ‘em.

Roxy Athletix Half Time Performance Hooded Top - Long-Sleeve - Women's

Throw the Roxy Athletix Half Time Top over your yoga shirt and zip over to the gym.

Ex Officio ExO Dri Go-To Crossover Shirt - Long-Sleeve - Women's

In the Ex Officio Women’s ExO Dri Go-To Crossover Long-Sleeve Shirt you’ll go everywhere feeling like vacation is on the horizon.

Ex Officio ExO Dri Pointelle Shirt - Long-Sleeve - Women's

A pretty neckline and stretchy weave make the Ex Officio Women’s ExO Dri Pointelle Shirt easy and comfortable to wear to work.

Ex Officio Insect Shield Halo Check Shirt - Long-Sleeve - Women's

Ahhh, the great outdoors: lakes, trees, mountains, streams … mosquitoes the size of hummingbirds … you need the ExOfficio Women's Insect Shield Halo Check Long-Sleeve Shirt so you don't get eaten alive.

Under Armour Heatgear Shirt - Long-Sleeve - Women's

The Under Armour Women's UA Heatgear Long-Sleeve T-Shirt gives you a snug, compression fit that reduces muscle fatigue.

Backcountry.com Merino Zip Tee - Long-Sleeve - Women's

We made our Backcountry.com Women's Long-Sleeve Zip Tee with super-fine New Zealand Merino, flattering women's-specific fit flat-locked seams, and a ½ zip chest so you can tackle anything from a 5-day backpacking trip to a run around the neighborhood in complete comfort.

Horny Toad Ellie Hooded Shirt - Long-Sleeve - Women's

If you look at the Horny Toad Women's Ellie Hooded Long-Sleeve Hooded Shirt, you'll probably notice the slim fit. What you won't see is that Horny Toad made this lightweight shirt out of an eco-friendly fabric that breathes, wicks, and dries quickly.

GoLite DriMove Silk Top - Long-Sleeve - Women's

Build from a strong foundation when you wear the GoLite Women’s DriMove Silk Long-Sleeve Top. This polyester base layer wicks away moisture, keeping you dry and comfortable.

Norrøna /29 Flex 1 Bo Shirt - Long-Sleeve - Women's

The Norrøna Women’s /29 Flex 1 Bo Long-Sleeve Shirt offers all the benefits of a softshell in a trim, form-fitting shirt.

Sierra Designs Vesper 1/4 Zip Top - Long-Sleeve - Women's

The Sierra Designs Women’s Vesper ¼ Zip Top is one of those pieces of gear that will repeatedly end up in your pack, no matter what season it is.

Mountain Hardwear Chockstone 1/2 Zip Pullover Long-Sleeve - Women's

Need a long-sleeve layer that's lighter than a softshell but still breathable, stretchy, and wind- and water-resistant? Grab the Mountain Hardwear Women's Chockstone ½-Zip Long-Sleeve Pullover.

Lolë Kind T-Shirt - 3/4-Sleeve - Women's

Most activewear isn’t kind on your figure, but the Lolë Women’s Kind ¾-Sleeve T-Shirt makes a fine exception.

Outdoor Research Cypress Shirt - Long-Sleeve - Women's

The Outdoor Research Women’s Cypress Long-Sleeve Shirt packs a UPF 30+ sun protection rating to keep you from getting scorched on a bluebird hiking day.

Cloudveil Run Don't Walk Hooded Sweatshirt - Women's

As the name implies, the Cloudveil Women's Run Don't Walk Hoody Sweatshirt is ideal for early morning trail runs, but this midweight, stretchy fleece also works as a casual layer, or a mid-layer under your shell for long backcountry ski tours.

Cloudveil Cool Caribe Shirt - Long-Sleeve - Women's

Cloudveil took their proven hot weather button-down design, then added copious vents, extra sun protection, and fly-fishing-focused features to create the Cool Caribe Shirt.