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

The Patagonia Men's Capilene 3 Long-Sleeve Crew features a dense honeycomb polyester fabric that feels soft on your skin, insulates you, and provides low-friction comfort with other layers.

Icebreaker BodyFit260 Crew - Men's

The Icebreaker Men's 2-Tone Long-Sleeve BodyFit260 Crew offers some much-needed style in base layer fashion, not to mention it's made of 100% Merino, the best natural fiber for temperature regulation in the world.

Icebreaker BodyFit260 Tech Top - Long-Sleeve - Men's

The Icebreaker Men's BodyFit260 Tech Top features super high quality New Zealand merino wool.

Under Armour Base 2.0 Crew Top - Long-Sleeve - Men's

The Under Armour Men's Base 2.0 Midweight Long Underwear Top keeps you warm by quickly wicking moisture away from your body and gives you a tailored fit that's not too tight.

The North Face Stretch Softwool Crew - Long-Sleeve - Men's

When you’re hunkered down in your tent for a week at a time, The North Face Men’s Stretch Softwool Top’s odor-fighting merino wool keeps gnarly odors at bay.

The North Face Stretch Softwool 1/4-Zip Top - Men's

You can’t very well bring a suitcase on a month-long expedition, so The North Face Men’s Stretch Softwool ¼-Zip Top not only wicks moisture and dries in a flash, but it helps fight gnarly odors during extended use.

Marmot Midweight Zip-Neck Top - Men's

The Marmot Men's Midweight Zip long sleeve shirt covers you in a shaped fit that's easy to layer without accumulating bulk, and the half neck zip dumps heat when the temps rise.

Forum Body Bag One-Piece Baselayer - Men's

The Forum Men's Body Bag One-Piece Baselayer brings out your inner super hero while keeping you nice and warm.

Airblaster Merino Wool Ninja Suit - Men's

Topple tyrannical tyrannosaurs in the Airblaster Men’s Merino Wool Ninja Suit. Well, you may not be able to find any dinosaurs to knock over but you can sure keep warm while you endlessly search for them.

Outdoor Research Sequence Zip T Pullover - Men's

Outdoor Research combines the technical performance of wool and polyester with the Men's Sequence Zip Tee.

Sessions Diffusion d3o Shirt - Long-Sleeve - Men's

If you’ve ever skidded out a landing on ice, you’ll appreciate the built-in protection of the Session Diffusion d3o Shirt.

Patagonia Capilene 2 Crew - Long-Sleeve - Men's

Wear the lightweight Patagonia Men's Capilene 2 Crew top alone or as a base layer when you hike, backpack, or cross country ski. Patagonia made this crew top with an open knit for maximum breathability and wicking.

Patagonia Capilene 2 Zip-Neck - Long-Sleeve - Men's

Pull on the lightweight Patagonia Men's Capilene 2 Zip-Neck shirt when you trail run, backpack, or cross country ski. Because Patagonia made this zip-neck top with a basketweave knit, it is insulating yet extremely breathable.

Patagonia Capilene 3 Zip-Neck - Long-Sleeve - Men's

The Patagonia Men's Capilene 3 Zip-Neck keeps you comfortable during aerobic activities in varying temperatures.

The North Face XTC Midweight Crew Top - Long-Sleeve - Men's

When you’re out chasing your passions in the cold, The North Face Men’s Long-Sleeve XTC Midweight Crew Top provides a bamboo-infused solution to your layering needs.

The North Face XTC Midweight 1/4 Zip Pullover - Long-Sleeve - Men's

Whew, the shuttle bus smells like one big armpit. It's not because of you, though. The reason you know that is because you're wearing The North Face XTC Midweight ¼-Zip Pullover.

Arc'teryx Rho LT Zip Top - Long-Sleeve - Men's

Start your base layers off right with the Arc'teryx Men's Rho LT Zip Top.

Arc'teryx Rho LTW Zip Top - Long-Sleeve - Men's

The Arc'teryx Men's Rho LTW Zip Top is a great base layer to wear for long winter days in the backcountry.

Mountain Hardwear Continuum Midweight Zip T - Men's

Pull on the Mountain Hardwear Men’s Continuum Midweight Zip T when you head out on your alpine trek. The Continuum Midweight fits under your shell for extra warmth, and wicks moisture when you’re running hot.

Burton White Collection Crew - Men's

End the cold, wet, and miserable feeling with the Burton Men’s White Collection Crew top.

Spyder Spyder US Ski Team Dry W.E.B Turtle Neck - Long-Sleeve - Men's

Tired of the mid-layer that ends up soaked from perspiration and lacking the ability to retain heat by the end of a long ski day? The Dry W.E.B technology in the Spyder Men’s National Teams USSA Long-Sleeve Turtle Neck is just what you’ve been longing for.

Mountain Hardwear Continuum Midweight Crew - Men's

Slip on the Mountain Hardwear Men’s Continuum Midweight Crew for your next alpine adventure. The Continuum Midweight fits comfortably under your shell and sports a seamless construction to prevent chafing.

The North Face TKA 100 Mammoth Falls 1/4 Zip Top - Long-Sleeve - Men's

Wake up with the sun and get the breakfast fire going, but not before you put on The North Face TKA 100 Mammoth Falls ¼-Zip Top.

Mountain Hardwear Power Stretch Zip T - Long-Sleeve - Men's

From trail runs to weekend backpacking trips to mountaineering expeditions, the Mountain Hardwear Men’s Power Stretch Zip T will rule your layering system.

SmartWool Midweight 1/4-Zip Top - Long-Sleeve - Men's

When you head out for an epic powder day, three-pitch ice climb, or a backcountry snowshoe tour, the Smartwool Men’s Midweight ¼-Zip Top is the perfect way to start your layering.

Columbia Silver Ridge Half Zip Top - Long-Sleeve - Men's

Omni-Shield advanced repellency empowers the Columbia Men’s Silver Ridge Half Zip Top to resist moisture and stains while you stay warm on frosty mornings.

Norrøna Trollveggen Warm1 1/4-Zip Stretch Top - Men's

When you’re on a technical climb, you want your base layer to keep your muscles warm without restricting your reach. Welcome to the Norrøna Trollveggen Warm1 ¼-Zip Stretch Top.

Spyder First Place Dry W.E.B. Midweight T-Neck Shirt - Men's

You've been sweating all day on the hill. Good thing Spyder made the Dry W.E.B. Midweight T-Neck Shirt with X-static fibers.

Burton Midweight Top - Men's

Layer the Burton Men’s Midweight Top under your shell for those blustery days on the mountain. This top sports a highly-breathable, quick-drying fabric to prevent sweat from chilling you to the bone.

Patagonia Merino 2 Crew - Men's

Designed for everything from ski touring to trail running, the Patagonia Men’s Merino 2 Crew fights odors, wicks moisture, and dries in a snap thanks to a functional blend of merino wool and recycled polyester.

Icebreaker BodyFit260 Altitude 1/4-Zip Top - Long-Sleeve - Men's

Wear the slim-fit Icebreaker Men's BodyFit260 Altitude Zip Midweight Top as a base layer for extreme high-altitude adventures. Merino wool fabric possesses insulating properties that synthetics just can't touch.

Icebreaker BodyFit260 Slalom 1/4-Zip Top - Men's

Don’t let your neck take on the brunt of winter when you ski; the Icebreaker Men’s BodyFit260 Slalom Top has a high zipped collar that you can wear up when the snow is falling sideways.

SmartWool Midweight Crew - Long-Sleeve - Men's

Made from super-soft merino wool, the Smartwool Men’s Midweight Crew Top provides next-to-skin comfort and moisture management for cold winter pursuits like backcountry skiing and mountaineering.

Airblaster Ninja Suit - Men's

Strike fear into all those around you when wearing your Airblaster Ninja Suit.

Columbia Omni-Dry Tough Soft Half-Zip Shirt - Long-Sleeve - Men's

From summer backpacking trips to cold days on the mountain, the Columbia Men’s Omni-Dry Tough Soft Half-Zip Long-Sleeve Shirt breathes moisture while retaining body heat to keep your time outdoors enjoyable.

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

Spyder First Place US Ski Team Dry W.E.B. Midweight T-Neck Shirt - Men's

The Spyder Men's First Place US Ski team Dry W.E.B. T-Neck locks in heat and features limited edition United States Ski team embroidery.

The North Face Inspiration 1/4 Zip Top - Long-Sleeve - Men's

The North Face used merino wool to make the Men’s Inspiration 1/4 Zip Top because of its light weight and exceptional insulating properties.

Under Armour Basemap Crew Top - Men's

Under Armour used two, multi-weight wicking fabrics to create the Men’s Basemap Crew so your core is insulated, and chilly sweat is dynamically sucked away from your skin.

Mammut Warm Quality Zip Top - Men's

For cold, unforgiving trips into alpine terrain, the Mammut Men’s Warm Quality Zip Top wicks moisture and insulates to keep you comfortable.