Mens Clothing - Long Underwear Lightweight Tops

These Mens Clothing - Long Underwear Lightweight 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

Patagonia Merino 2 Lightweight Zip-Neck Top - Men's Black

On sale - now $70 - was $100

The Patagonia Men's Merino 2 Lightweight Zip-Neck Top is a versatile, long-sleeve shirt that can be used for climbing in cooler weather or as a baselayer for skiing or snowboarding in the early winter or spring. Patagonia got the merino wool used in this
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Icebreaker BodyFit 200 Oasis Hooded Top - Men's Aegean/Rocket

On sale - now $87.99 - was $109.99

When spring slides in but the snow's still dropping, the Icebreaker Men's BodyFit 200 Oasis Hooded Top makes a great baselayer at the ski resort. Its merino wool regulates your body temperature and stays fresh after extended uses. The hood warms your nogg
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Icebreaker BodyFit 260 Tech Crew - Men's Admiral/Largo Stripe

On sale - now $82.49 - was $109.99

Icebreaker made its Men's BodyFit 260 Tech Crew out of merino wool to keep your body at an ideal temperature when you enjoy the outdoors. Offset shoulder seams prevent uncomfortable rubbing against a backpack. Forward side seams eliminate chafing, and a d
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Icebreaker IKA Top - 1/2-Zip - Men's Mossy Oak Break Up Infinity

On sale - now $87.99 - was $109.99

Layer the Icebreaker IKA 1/2-Zip Men's Long-Sleeve Top under a shell or wear it on its own when you're hunting, fishing, hiking, and camping. The 1/2-zip design and high collar help you regulate your temperature, while the flatlock seams and naturally odo
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SmartWool Lightweight Wind Zip Top - Men's Graphite

On sale - now $89.96 - was $119.95

Whether you use your SmartWool Lightweight Wind Zip Top as a high-performance baselayer for skiing or as a stand-alone jacket for shoulder-season trail running, this versatile pullover gives you all-season comfort in a wide range of conditions. When you'r
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Icebreaker BodyFit 260 Tech Zip-Neck Top - Men's Black

$119.99

Icebreaker uses magnificent merino wool in its Men's BodyFit 260 Tech Zip-Neck Top to keep you unbelievably comfortable at the ski resort. It regulates your body temperature so you stay warm and cool when you need to. It's naturally antimicrobial so it'll
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Burton Lightweight Tech Tee - Men's True Black

$34.95

Ideal for year-round action, the Burton Men's Lightweight Tech Tee works just as well combined with warmer layers mid-winter as it does when worn solo in summer. Constructed to ditch heat-robbing moisture and fight funky build up, Dryride Ultrawick Lightw
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Burton Lightweight Crew - Men's True Black

$39.95

Sure, it's made by Burton, but don't think that the Men's Lightweight Crew is a winter-only top. The ultra-lightweight DryRide Ultrawick fabric pulls moisture away from your skin to keep you warmer in the winter and cooler in the summer, an anti-microbial
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DAKINE Quick Draw Crew Top - Men's Black

On sale - now $31.96 - was $39.95

If you didn't wear a baselayer under your board jacket it would be pretty uncomfortable under there (chafing, sweat and all). So throw on the Dakine Men's Quick Draw Crew Top to control your under-jacket microclimate. The Quick Draw lives up to it's name
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Backcountry Lightweight Crew Neck Top - Men's Black

On sale - now $24.72 - was $44.95

We were all craving the best baselayer here at Backcountry. com, so we made the Men's Lightweight Crew Neck Top. This versatile baselayer serves us well whether we're skiing dawn patrols, backpacking in the alpine, hiking, or running. Its fabric wicks moi
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The North Face Light Crew Neck Top - Men's Graphite Grey

$44.95

Hoof it to the summit, turn around, and enjoy your turns in The North Face Men's Light Crew Neck Top. A perfect baselayer for the entire ski season, including those early- and late-season days when the mercury is up, this lightweight top features FlashDry
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Patagonia Capilene 2 Lightweight T-Shirt - Short-Sleeve - Men's Black

On sale - now $31.5 - was $45

Patagonia used its most breathable baselayer fabric to make its Men's Capilene 2 Lightweight T-Shirt so you can run, hike, and climb without getting instantly soaked in sweat. This short-sleeve shirt uses only polyester to keep it lightweight and to keep
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Patagonia Capilene 1 Graphic Crew - Long-Sleeve - Men's Storm Front: Alpha Green

On sale - now $36.75 - was $49

Patagonia designed its Men's Capilene 1 Graphic Crew for practically any warm-weather sport. Made mostly of polyester, this crew wicks moisture to keep you dry when you work up a sweat, and a bit of spandex gives you a comfortable amount of stretch. Patag
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Patagonia Capilene 2 Lightweight Crew - Men's Black

On sale - now $34.3 - was $49

You don't need anything holding you back when you're pulling through the final crux of your climb or running the last quarter of your marathon, so get the Patagonia Men's Capilene 2 Lightweight Crew. Patagonia made this shirt with its stretchiest baselaye
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Patagonia Capilene Lightweight Crew Top - Men's Electron Blue

$49

Early summer mountain pursuits can run the gamut between trail running and hiking to skiing the last remains of snow that still cling to the tops of peaks. With activities like this in mind, Patagonia designed its Men's Capilene Lightweight Crew Top. This
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Backcountry LIghtweight Snap Henley Top - Men's Black

On sale - now $27.47 - was $49.95

We designed the Backcountry. com Men's Lightweight Snap Henley Top to the utmost standards of versatility and performance. This is the type of baselayer you want when you're sweating your ass off on a speedy ski day or a hard hike. It wicks moisture and d
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Helly Hansen Active Flow Top - Men's Black

$49.95

The Men's Active Flow Top is Helly Hansen's versatile baselayer, featuring Lifa advanced moisture-wicking technology for year-round comfort.
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Homeschool Loudmouth Top - Men's Devoid

$49.95

The Homeschool Men's Loudmouth Top is a superlight baselayer that dries quickly and resists odor for fresh snowboarding sessions.
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Icebreaker Everyday Crew Top - Short-Sleeve - Men's Black

$49.99

Make everyday that much better with the Icebreaker Men's Everyday Short-Sleeve Crew Top. Made entirely from merino wool, this lightweight shirt is breathable, moisture-wicking, and naturally antimicrobial, meaning you can wear it multiple days in a row wi
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Mammut Go Dry Top - Long-Sleeve - Men's Black

$54.95

The Mammut Men's Go Dry Top offers year-round comfort whether you're skiing the resort or summer training in the mountains. Its fast-drying stretch fabric provides a full freedom of movement, and the waffle backing wicks moisture to keep you comfortably d
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Cloudveil Lightweight Crewneck Top - Men's Cavier

On sale - now $43.99 - was $54.99

Make sure your time on the hill is pleasant with the Men's Lightweight Crewneck Top from Cloudveil. The synthetic fabric of this top is naturally moisture-wicking to help you avoid that nasty freezing after a good sweat. Since this top is semi-fitted, it
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Patagonia Capilene 2 Lightweight Zip-Neck Top - Men's Black

On sale - now $38.5 - was $55

Wear the Patagonia Men's Capilene 2 Lightweight Zip-Neck Top while you run or climb in cooling temperatures in the fall. This long-sleeve shirt was designed to keep you cool as you run your last mile on the trail, and it warms you up while you rappel off
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Helly Hansen Active Flow 1/2-Zip Top - Men's Black

$59.95

The last thing you want when you're a few days in on your expedition is to be saddled with a wet, soaked baselayer. Make sure that isn't you by throwing on the Helly Hansen Men's Active Flow 1/2-Zip Top. The Lifa Flow and Life Stay Dry technologies work t
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Helly Hansen Dry Charger 1/2-Zip Top - Men's Black

$59.95

Helly Hansen has been perfecting baselayer technologyfor the last forty years and testing it in the harshest conditions, which means that the company has gotten very good at pushing the limits of fabrictechnology. The Lifa Stay Dry fabric in the Men's Dry
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Minus 33 Ticonderoga Lightweight Crew Top - Men's Azure Blue

$59.95

When you finally get fed-up with coming home from your hikes wearing a smelly shirt, get the Minus 33 Ticonderoga Lightweight Crew Top, and start enjoying the naturally breathable and antimicrobial benefits of merino wool. Plus, with it's slim fit, you'll
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Minus 33 Allagash Lightweight Zip-Neck Top - Men's Black

$64.95

With its 17. 5-micron merino wool, the Minus 33 Men's Allagash Lightweight Zip-Neck Top makes a great layer for spring and fall hiking excursions, and with the 1/4-zip front, you can get some extra ventilation when you need it.
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Outdoor Research Sequence Zip-Neck Top - Men's Black

$68.95

When you're spending 12 straight days in a tent, your partner will thank you for wearing the Outdoor Research Sequence Zip-Neck Men's Top. Made of breathable, quick-drying, and moisture-managing blend of polyester and merino wool, it keeps you warm, dry,
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SmartWool NTS Micro 150 T-Shirt - Short-Sleeve - Men's Black

$69.95

Lightweight, ultra-soft, and made of moisture-transferring, temperature-regulating, and odor-controlling merino wool, the Smartwool NTS Micro 150 Men's T-Shirt is down to help you crush it on the trail, the road, or at the gym.
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SmartWool Micro 150 Crew - Long-Sleeve - Men's Black

$74.95

From the ski hill to the hiking trail and back, Smartwool's Micro 150 Men's Crew will keep you dry and comfortable while you get after it. It's a lightweight baselayer that's made of 100% merino wool, so it will naturally move moisture away from your skin
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SmartWool NTS Micro 150 Pattern T-Shirt - Short-Sleeve - Men's Bright Orange

$74.95

Bored with awesome 100% merino wool Smartwool shirts? If their moisture-transferring, temperature-regulating, and odor-fighting radness just isn't enough anymore, try the NTS Micro 150 Men's Pattern T-Shirt--it has flatlock seams, UPF-30 sun protectionand
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Backcountry Merino 150 Base Layer Long Sleeve Men's Blue/Blue/Charcoal

On sale - now $51.35 - was $79

Consider the backcountry. com Merino 150 Men's Long-Sleeve Base Layer the do-it-all replacement for the old cotton shirts you've been trying to ease through yet another season. It's made of super-soft, odor-controlling merino wool, which helps to regulate
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Patagonia Merino Lightweight Crew Top - Men's Forge Grey

$79

The Patagonia Men's Merino Lightweight Crew Top harnesses the soft feel and temperature-regulating power of merino wool to keep you comfy from the hiking trail to the ski slopes. Merino wool keeps you cool when it's hot and warm when it's cold, and it's b
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Mountain Hardwear Integral Pro Top - Men's Black

On sale - now $63.96 - was $79.95

Benefiting from the warmth of wool used to mean being itchy, and if you ever got sweaty or wet, you were done for. With the Mountain Hardwear Men's Integral Pro Top, you can feel wool warm while getting the quick-drying and moisture-wicking properties of
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SmartWool Micro 150 Combo T-Shirt - Short-Sleeve - Men's Bright Blue

$79.95

You probably don't want to tell people about your "one-shirt quiver," but if you do choose to go that route, you can't go wrong with the Men's Micro 150 Combo T-Shirt from Smartwool. This form-fitting tee features antimicrobial and moisture-wicking merino
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SmartWool Micro 150 Pattern Crew - Long-Sleeve - Men's Bright Blue

$79.95

When you want a comfortable, temperature-regulating baselayer, you want the merino wool of the Men's Micro 150 Pattern Crew from Smartwool. You'll get an extra shot of moisture-wicking, odor-controlling merino with its long sleeves. Flatlock seams elimina
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SmartWool NTS Micro 150 Pattern Crew - Long-Sleeve - Men's Cadet Blue

On sale - now $63.96 - was $79.95

Merino wool's the best, so folks need as much of it as they can get--hence the Smartwool NTS Micro 150 Men's Pattern Long-Sleeve Crew. With long sleeves you'll get an extra shot of temperature-regulating, odor-controlling merino, plus full UPF 30 protecti
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Icebreaker BodyFit 200 Oasis Crew - Short-Sleeve - Men's Black

$79.99

Icebreaker made its Men's BodyFit 200 Oasis Short-Sleeve Crew out of merino wool to regulate your body temperature so you'll stay cool when you're working up a sweat under the sun and warm when you dip into the shade of the trees. It's also antimicrobial
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Oakley Rotor Seamless Top - Men's Jet Black

On sale - now $64 - was $80

The seamless construction of the Oakley Men's Rotor Top provides exceptional next-to-skin comfort for your winter pursuits. The BioZone construction is designed to optimize warmth and breathability in areas where it's needed most, so you never feel too ho
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Rab MeCo 120 Top - Men's Beluga

$84.95

The Rab Men's MeCo 120 Top offers lightweight, quick-drying performance that's ideal for a wide range of activities. Wear it as a quick-drying shirt on fast-paced hikes or layer it under your waterproof shell during the winter. Either way, you'll reap the
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SmartWool NTS Lightweight Crew - Men's Black

On sale - now $67.96 - was $84.95

Throw on the Smartwool Men's NTS Lightweight Crew before you head out to get your sweat on. Merino wool fabric rides comfortably, pulls moisture from your skin, and breathes easily, while the sculpted side panel eliminates the side seam to reduce chafing
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SmartWool Micro 150 Henley - Long-Sleeve - Men's Bright Orange

$89.95

Get your baselayer to do more with the Men's Long-Sleeve Micro 150 Henley from Smartwool. This merino wool crew neck features set-in sleeves with shoulder panels and flatlock seams to avoid chafing from pack straps and anything else. With the Micro's UPF-
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Icebreaker BodyFit 200 Oasis Crew - Long-Sleeve - Men's Admiral

$89.99

The Icebreaker Men's BodyFit 200 Oasis Long-Sleeve Crew is an active baselayer made from Bodyfit 200 merino wool to keep your body at an ideal temperature while you explore the outdoors. Merino wool naturally regulates your body temperature and is antimic
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Patagonia Merino 2 Lightweight Crew - Men's Black

On sale - now $67.5 - was $90

When you start a long hike in the early-morning chill but you know you'll be coming down the mountain under a hot afternoon sun, wear the Patagonia Men's Merino 2 Lightweight Crew. This long-sleeve baselayer regulates your body temperature--it warms you i
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Mountain Hardwear Integral Pro Zip-Neck Top - Men's Python Green

On sale - now $75.96 - was $94.95

Made with a merino wool blend, the Mountain Hardwear Men's Integral Pro Zip-Neck is a versatile top that can be worn on its own on cold-weather runs or as a baselayer for skiing.
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SmartWool NTS Lightweight Zip Top - Men's Black

On sale - now $71.21 - was $94.95

The Smartwool Men's LightweightZip Top is like the caped crusader of the baselayer world--at any time, and in any conditions, it's ready to wick moisture, dry in a flash, and naturally fight odors thanks to its soft, stretchy merino wool construction. Fla
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Dynafit Gallium PL Pullover Top - Men's Black

On sale - now $74.96 - was $99.95

The Dynafit Men's Gallium PL Pullover Top is an extremely light midlayer for spring skiing, ski touring, and backcountry skiing. Its Polarlite Light Waffle Tecnostretch fabic is smooth on the outside for easy layering, which the waffle texture on the insi
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Icebreaker BodyFit 200 Oasis Graphic Crew - Long-Sleeve - Men's Black/Black Alps Graphic

On sale - now $74.99 - was $99.99

Made of pure merino wool, the Icebreaker BodyFit 200 Oasis Men's Graphic Long-Sleeve Crew is designed to provide lightweight warmth and moisture management in cool conditions. Its slim cut fits easily under a fleece or jacket, flatlock seams are comfortab
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Icebreaker BodyFit 200 Oasis Simon Beck Graphic Crew - Long-Sleeve - Men's Aegean Horn Graphic

On sale - now $79.99 - was $99.99

The Men's Long-Sleeve BodyFit 200 Oasis Simon Beck Graphic Crew from Icebreaker is part of Icebreaker's new artist series and features a DNA-strand graphic for a little pizzazz out on the slopes. Merino wool is naturally odor-resistant, so smelling all fu
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Icebreaker BodyFit 200 Oasis Zip-Neck Top - Men's Admiral

$99.99

The Icebreaker Men's BodyFit 200 Oasis Zip-Neck Top is a lightweight baselayer for cruising around the slopes. Its merino wool fabric regulates your body temperature so you're neither too warm nor too cold, and you can zip down the collar for a little air
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Icebreaker IKA Crew Top - Long-Sleeve - Men's Mossy Oak Break Up Infinity

On sale - now $79.99 - was $99.99

Keep a low profile in the Icebreaker IKA Men's Crew, which keeps you equal-parts warm and hidden. Made of 100% merino wool for natural warmth, breathability, and odor resistance, it's perfect for hunting, fishing, and hiking, with flatlock stitching that
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