Mens Clothing - Long Underwear Heavyweight Tops

These Mens Clothing - Long Underwear Heavyweight Tops are available from Backcountry.com ...who provide free shipping for orders over $50 and have an Unlimited Return Policy.

Prices correct at time of writing - subject to change

Arc'teryx Thetis Zip-Neck Top - Men's Borneo Blue, L

$108.95

Arc'teryx designed the Men's Thetis Zip-Neck Top for high aerobic activities in the mountains. This lightweight top features Polartec's Power Dry fabric that wicks moisture quickly and efficiently while providing midweight warmth for shoulder season runs
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La Sportiva Icon Pullover 1/2-Zip Top - Men's Blue, L

On sale - now $76.26 - was $108.95

La Sportiva made the Men's Icon Pullover out of Polartec Power Dry fleece for efficient moisture management on the mountain. This heavyweight fleece feels best on shoulder season climbing trips and winter touring sessions. Unlike most wicking treatments,
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Marmot Thermo 1/2-Zip Fleece Top - Men's Black, L

$109.95

Layer up with the Marmot Men's Thermo 1/2-Zip Fleece Top and let Polartec Power Dry fabric pull chilling moisture away from your skin while it provides toasty warmth to boot. Stretch fibers let the fabric move with your body as you pole plant or pump your
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Outdoor Research Radiant Hybrid Hooded Top - Men's Black, M

On sale - now $76.96 - was $109.95

Don't let the frigid air get the best of you, put on the Outdoor Research Men's Radiant Hybrid Hooded Top. Made with heavyweight Radiant Hybrid fleece fabric, this breathable hoody helps keep you super warm in freezing temperatures.
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Norr Narvik TechPlus Sweater - Men's Chrome Green, L

$110

Perfect as a base- or midlayer, the Norrona Narvik TechPlusSweater will amaze you with its comfort and warmth. A tight-knit polyester and elastane construction gives the material a little stretch for extreme comfort, and the Polygiene treatment keeps smel
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Patagonia Capilene 4 Expedition Weight 1/4-Zip Hooded Top - Men's Black, L

$119

The Patagonia Men's Capilene 4 Expedition Weight 1/4-Zip Hooded Top will keep you warm whether you're ascending a snow-capped mountain or stuck on a slow chairlift in dropping temperatures. The jersey face allows you to slide your other layers on easily,
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Patagonia Capilene 4 Pro Zip-Neck Top - Men's Classic Navy, L

On sale - now $95.2 - was $119

Patagonia built the heavyweight Capilene 4 Pro Zip-Neck Men's Top specifically to keep skiers and snowboarders warm and comfortable when they're tearing up the resort or the backcountry. With moisture-wicking Capilene panels on the chest and sides and sof
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Armada Drifter Full-Zip Jacket - Men's Black, L

On sale - now $59.98 - was $119.95

Ditch the stuffy insulated jacket for the fast-drying, moisture-wicking performance of the Armada Men's Drifter Full-Zip Jacket. Polartech Power Dry fleece brings maximum comfort on warm spring days and layering efficiency when it's colder outside. This h
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Hagl Bungy II Top - Men's Dynamite/Magnetite, L

On sale - now $59.98 - was $119.95

The aptly named Bungy II Men's Top is made with a warm and stretchy Polartec Powerstretch Pro fabric for maximum flexibility in cold conditions. Haglof's designed this performance mid-layer for year round use making it great under a shell during winter, o
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Outdoor Research Radiant HD Half-Zip Top - Men's Abyss, S

On sale - now $59.98 - was $119.95

A successful baselayer means more than just warmth: Outdoor Research fitted their Men's Radiant HD Half-Zip Top with bonus features such as elastane for an aerobic range of motion and a Polygiene Active Odor Control treatment. Its trim fit snugs your body
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Ibex Indie Boulder Zip Shirt - Long-Sleeve - Men's Blood Orange, XL

On sale - now $62.48 - was $124.95

The merino wool fabric of the Ibex Men's Indie Boulder Zip Shirt finds the perfect balance of breathable comfort and cozy warmth.
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Marmot Thermo Fleece Hooded Top - Men's Black, L

$134.95

Venture out into the cold while wearing the Marmot Men's Thermo Fleece Hooded Top underneath your outwear and you'll suddenly find a new level of warmth, comfort, and mobility. Work up a sweat, and the stretchy Power Dry fabric will allow that chilling mo
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Strafe Outerwear Base Camp Hooded Top - Men's Black, L

On sale - now $94.46 - was $134.95

Ski into the alpine while wearing the Strafe Outerwear Men's Base Camp Hooded Top as a baselayer or midlayer. Its Polartec Power Dry High Efficiency fabric includes a smooth surface for easy layering and a gridded lining that pulls moisture away from the
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Arc'teryx Rho AR Zip-Neck Top - Long-Sleeve - Men's Aruna, L

$138.95

Ditch your old, heavy midweight layers and reach for the warm Men's Rho AR Zip-Neck Top. Arc'teryx used Polartec's Power Stretch fabric in order to give you all the warmth you need from a cold-weather layer and all the flexibility required for alpine clim
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Hagl Actives Warm II Hooded Top - Men's Dynamite, XL

On sale - now $69.98 - was $139.95

Haglofs' Men's Actives Warm II Hooded Top is a lightweight mid-layer fleece jacket designed to provide warmth without adding a lot of weight to the equation. The polyester and merino wool blend means the fabric stretches, helps to regulate your body tempe
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Black Diamond Solution 1/4-Zip Top - Men's Black, L

On sale - now $104.3 - was $149

You wear the Black Diamond Men's Solution 1/4-Zip Top for nearly every cold-weather activity you exceed in all year long. Its Polartec PowerStretch fleece fabric helps this mid-layer keep you warm while you ski in the winter. It dries up quickly when you
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Mountain Equipment Eclipse Half-Zip Hoodie - Men's Cayenne/Flame, L

On sale - now $74.98 - was $149.95

Eclipse Half-Zip Hoodie - Men's
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Trew Gear Vaporizer Hooded Top - Men's Black, L

On sale - now $112.46 - was $149.95

Thanks to its Polartec Power Dry fabric, the Trew Men's Vaporizer Hooded Top wicks moisture as you sweat, and effectively traps warm air once you cool down, so you aren't hot one second and freezing the next.
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Ibex Shak T-Neck Jersey - Men's Black, M

$154.95

Forget synthetics; your grandpa knew wool was best and you'll agree once you pull on the Ibex Shak T-Neck Jersey. Dense-knit soft merino sheds water, snow and wind, breathes well and resists odors, making it the ultimate performance midlayer. A deep 11-in
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Arc'teryx Konseal 3/4-Zip Fleece Hoodie - Men's Black, L

$164.95

Climbing rule #1: check your knots. Climbing rule #2: trust your partner. Climbing rule #3: wear the Arc'teryx Konseal 3/4-Zip Men's Fleece Hoodie when the weather's cold. Designed with vertical endeavors in mind, the Konseal is a trim-fitting Polartec Po
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Ibex Scout Jura 1/2-Zip Top - Men's Black, L

$174.95

Milled merino wool boucle fabric gives the Ibex Men's Scout Jura 1/2-Zip Top a classy and sophisticated look while maintaining cozy merino comfort and performance.
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The North Face Warm Crew Neck Top - Men's Graphite Grey, L

$49.95

The North Face Men's Warm Crew Neck Top utilizes FlashDry technology to wick moisture and dry quickly in order to keep you comfortably warm at the ski resort. An anti-odor treatment helps this heavyweight baselayer stay fresh after prolonged use, and a ne
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The North Face Warm Mock Neck Top - Men's Tnf Black, M

$49.95

FlashDry fabric and flatlock seams on The North Face Men's Warm Mock Neck Top keep you dry and comfortable as you rip it up in the mountains. This long-sleeve performance baselayer features next-to-skin fit and the added warmth of a mock-neck design. Anti
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Mountain Hardwear Microchill Fleece Zip T Pullover - Men's Azul, XL

$54.95

Whether you wear your Mountain Hardwear Microchill Fleece Zip as a heavyweight baselayer, an insulating midlayer, or a comfortable pullover, this 1/4-zip fleece will keep you warm and cozy. Breathable Microchill Fleece V. 2 holds in body heat without feel
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The North Face TKA 100 Glacier Fleece Pullover - 1/4-Zip - Men's Heron Blue, L

$54.95

The North Face Men's TKA 100 Microvelour Glacier 1/4-Zip Top regulates your body temperature on chilly trail runs and bluebird days at the ski resort. Its TKA 100 fleece is so soft that you might want to wear it after you're done playing too. A quarter-zi
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Under Armour Coldgear Infrared Evo Mock Top - Men's Black/Steel, M

$54.95

Think Stealth Bombers. These flyers absorb electromagnetic waves (a form of heat) with ceramic, and that inspired Under Armor's insulation in the Men's ColdGear Infrared Evo CG Mock Top. This top's dual-layer fabric boasts the stealthy ColdGear Infrared c
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Dakota Grizzly Colton Fleece Zip-Neck Top - Men's Cocoa, L

$58.95

Pull on the Dakota Grizzly Men's Colton Fleece Zip-Neck Top this fall when you venture into the woods to enjoy the changing leaves.
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Burton Expedition Crew Top - Men's True Black, M

$59.95

A little below zero weather might send lesser shredders into the lodge, but you're wearing the Burton Men's Expedition Crew Top, so you're going to take another run or six. Not only does the Expedition's DryRide Ultrawick Expedition 300 fabric offer supre
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The North Face Warm Zip-Neck Top - Men's Graphite Grey, XL

$59.95

The North Face Men's Warm Zip-Neck Top is your essential midweight baselayer for charging hard on the slopes. And since nothing will chill you off faster than a clammy bottom layer, this 1/2-zip top features Flash-Dry Eco fabric for super-fast moisture-wi
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Columbia Heavyweight Top - Men's Graphite, S

On sale - now $32.48 - was $64.95

Take on the resort in the coldest parts of winter with Columbia's Heavyweight Baselayer for Men.
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Under Armour Coldgear Infrared Evo 1/4 Zip Top - Men's Black/Steel, M

$64.95

The heavyweight Under Armour Men's Coldgear Infrared Evo CG 1/4 Zip Top brings the warmth to the frigid days at the ski resort. Made out of polyester and elastane, this baselayer offers a comfortable amount of stretch along with Under Armour's signature C
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Columbia Heavyweight 1/2-Zip Top - Men's Black, S

On sale - now $34.98 - was $69.95

When Jack Frost is relentless in his quest to keep you indoors, the Columbia Heavyweight 1/2-Zip Men's Top mocks him. This thermal base layer was constructed from two fabrics: Omni-Heat Reflective and Omni-Wick. The former uses small reflective silver dot
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Spyder Charger Therma Stretch Zip-Neck Top - Men's Black/Black/Osetra, L

On sale - now $48.72 - was $74.95

Made of stretchy microfleece, the Spyder Men's Charger Therma Zip-Neck Top is smoother than most baselayers.
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Arc'teryx Phase SV Crew Top - Men's Black, L

$78.95

Arc'teryx engineers are fanatics about balancing performance and comfort, and after a day wearing the Men's Phase SV Crew Top out in the cold, you'll believe us when we say it. The midweight Phasic SV fabric flexes and dries lightning-fast so you can keep
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Arc'teryx Phase SV Zip-Neck Top - Men's Black, L

$84.95

When the thermometer drops outside and you know you'll be both chilled and working up a sweat outside, slip on Arc'teryx's warmest weight baselayer top--the Men's Phase SV Zip-Neck Top. While this top warms your core, a quarter-zip opening allows you to v
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Under Armour WWP Coldgear Infrared 1/4-Zip Top - Men's Black, S

On sale - now $42.48 - was $84.95

Not only can you feel good wearing the Under Armour Men's WWP Coldgear Infrared 1/4-Zip Top, but you can feel good about wearing it as well, because Under Armour's Wounded Warrior Project gear helps to support the program and those who have sacrificed so
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Burton AK Grid 1/2-Zip Top - Men's Goldenrod, L

On sale - now $67.46 - was $89.95

The best kind of on-the-mountain midlayer is a versatile one, and the Burton Men's AK Grid 1/2-Zip Top is certainly that. Wear this stretch fleece pullover for insulating warmth under your shell, and let its breathable wicking channel backing keep you dry
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Marmot Alpinist Half-Zip Fleece - Men's Black/Dark Granite, L

$94.95

Layer up for winter's cold with the Marmot Alpinist Half-Zip Fleece.
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Minus 33 Yukon Expedition Crew Top - Men's Black, L

$94.95

Minus 33's Men's Yukon Expedition Crew Top is built for mind-numbingly cold days. With its heavyweight 400 g/m2 merino wool, you can throw this on as a baselayer and explore the Yukon, or wear it on extra cold days on the slopes.
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Arc'teryx Delta LT Zip-Neck Top - Men's Azul, L

$98.95

Versatility and efficiency are Arc'teryx hallmarks, ones exemplified by the Men's Delta LT Zip-Neck Top. This Polartec Classic 100 fleece top provides essential thermoregulation throughout the year, minimizing gear needs and maximizing pack space. Wear it
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Patagonia Capilene 4 Expedition Weight Zip-Neck Top - Men's Black, L

$99

Patagonia designed its warmest and most breathable baselayer, the Men's Capilene 4 Expedition Weight Zip-Neck Top, for cold belay stations and stormy days at the resort. It has a soft and stretchy feeling that lets you climb comfortably, and its smooth je
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Marmot Caldus Jacket - Men's Black/Slate Grey, L

$99.95

For runners who crush it on frosty days or hikers in need of lightweight insulation, the Marmot Caldus Men's Fleece Jacket's a great option. Made of polyester and elastane fleece, it's soft and slightly stretchy, with thumb-hole cuffs to keep your sleeves
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Minus 33 Kobuk Expedition Zip-Neck Top - Men's Black, L

$99.95

When there's a foot of fresh but the temps are eyelash-freezingly cold, pull on the Minus 33 Men's Kobuk Expedition Zip-Neck and get that cold smoke. This expedition-weight merino wool layer lives for nut-numbing chairlift rides, so next time you're prett
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