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 - Long-Sleeve - 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.

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.

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

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

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.

The North Face Stretch Softwool Top - 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.

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.

Marmot Midweight Zip Neck Top - Long-Sleeve - 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.

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.

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 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.

Airblaster Ninja Suit - Men's

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

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.

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

The Arc'teryx Men's Rho LT Zip Neck Top is an ideal foundation for backcountry travelers.

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.

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.

Arc'teryx Delta LT Pullover Fleece Jacket - Men's

Versatility and efficiency are Arc’teryx hallmarks, exemplified by the Men’s Delta LT Pullover.

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.

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.

SmartWool Midweight Crew Top - 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.

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.

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.

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.

Spyder National Teams USSA 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.

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.

Burton White Collection Crew - Men's

Under Armour Coldgear Crew Midweight Long Underwear Top - Men's

The Under Armour Men's Coldgear Midweight Long Underwear Top traps warmth and provides you with a compression fit to reduce fatigue and keep you dry and comfy.

DAKINE Throttle Crew Long Underwear Top - Men's

From the rec room to the mountain, the DAKINE Men’s Throttle Crew Long Underwear Top keeps you warm and funk free.

DAKINE Havoc Crew Long Underwear Top - Men's

Start your layering off with the DAKINE Havoc Crew Men’s Long Underwear Top.

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.

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.

Helly Hansen Freeze 1/2-Zip Top - Men's

Helly Hansen's Freeze Half Zip Turtle baselayer top combines supersoft Merino Prowool and hollow T3 polypropylene for ultimate warmth and legendary LIFA moisture management.

Icebreaker BodyFit260 Slalom 1/4-Zip Top - Long-Sleeve - 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.

Mammut All-Year Zip Shirt - Men's

The thoughtfully designed Mammut Men’s All-Year Zip Shirt gives you body-mapped wicking performance for any outdoor pursuit.

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.

Patagonia Merino 2 Crew - Long-Sleeve - 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.

Helly Hansen Multi 1/2-Zip Top - Men's

If you're a man of all seasons, a paragon of plenitude, even a renaissance man, then you are the prototype athlete for the Helly Hansen Men's Multi 1/2-Zip Top.