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Men's Lightweight Long Underwear - Tops

Patagonia Capilene 1 Crew - Men's

Not only does the Patagonia Men's Capilene 1 Crew make an excellent lightweight top for people getting after it in the mountains, it also uses 100% recycled fabrics to get the job done.

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ON SALE:
$28.00 - $45.00 (30% off)

Backcountry.com Merino Bliss Lightweight Long Underwear Top - Men's

With its soft, naturally odor-resistant 18-micron Merino wool knit and ½ neck zip, our Backcountry.com Men's Merino Bliss Lightweight Top covers you in functional comfort, minus the synthetic funk factor.

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ON SALE:
$39.98 (50% off)

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

We made our Backcountry.com Men's Merino Long-Sleeve Zip Tee with super-fine New Zealand Merino, 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.

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ON SALE:
$34.98 (50% off)

Marmot Lightweight Zip-Neck Shirt - Long-Sleeve - Men's

Layer with the moisture-wicking Marmot Men's Lightweight Long-Sleeve Zip Neck shirt on chilly days and bust open the neck zipper when you need to dump some serious heat.

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ON SALE:
$16.78 (65% off)

Stoic Merino Bliss Shirt - Long-Sleeve - Men's

With its soft, naturally odor-resistant 17.5-micron Merino wool knit and ½ neck zip, the Stoic Merino Bliss Shirt covers you in functional comfort, minus the synthetic funk factor.

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ON SALE:
$19.99 (75% off)

Marmot Lightweight Crew - Short-Sleeve - Men's

Harness the power of the coconut when you pull on the Marmot Men’s Lightweight Crew.

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ON SALE:
$13.98 - $19.98 (65% off)

DAKINE Mainframe Crew Long Underwear Top - Men's

Go to sleep in the DAKINE Mainframe Men’s Crew Long Underwear Top and you’ll have one less thing to put on when you wake up to go riding.

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ON SALE:
$19.98 (50% off)

Mountain Hardwear Advance Lightweight Zip Top - Men's

Wear the Mountain Hardwear Men's Advance Lightweight Zip T for some serious wicking, quick-drying action. Treated with a natural substance called Chitosan, the Advance Zip T resists odors, fungus, and bacteria as well.

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ON SALE:
$29.97 (40% off)

I/O Bio Merino Contact Crew Shirt - Men's

Highly breathable and ready to take on anything from backcountry ski tours to spring camping trips the I/O Bio Merino Men’s Contact Crew Shirt uses a merino construction with some elastane mixed in for extra stretch and comfort.

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ON SALE:
$33.77 (48% off)

Mountain Hardwear Lightweight Power Stretch Crew - Long-Sleeve - Men's

Pull on the Mountain Hardwear Men’s Lightweight Power Stretch Crew under your shell when you take off for the mountains. Mountain Hardwear used a lightweight Polartech Power Stretch fabric that wicks moisture and dries quickly.

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ON SALE:
$35.97 (40% off)

Under Armour Base 1.0 Crew Top - Long-Sleeve - Men's

Pull on the Under Armour Men's fitted Base 1.0 Crew Long Underwear Top for early spring runs.

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Price:
$39.95

Mountain Hardwear Lightweight Power Stretch Zip T - Men's

The Mountain Hardwear Lightweight Power Stretch Zip T sports lightweight, moisture wicking Polartech Power Stretch fabric to give you a snug fit under your shell and keep you comfortable and dry when you sweat.

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ON SALE:
$41.97 - $69.95 (40% off)

I/O Bio Merino Contact Crib Shirt - Long-Sleeve -Men's

The I/O Bio Merino Men's Contact Crib Long-Sleeve Shirt uses merino wool and a unique ribbed texture to keep you dry in warm or cool conditions.

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ON SALE:
$31.17 (48% off)

Patagonia Merino 1 Crew - Long-Sleeve - Men's

Whether it’s worn alone in warm climates or under three layers in plunging winter temps, the Patagonia Men’s Merino 1 Crew gives you the same moisture-wicking, quick-drying, odor-fighting powers.

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ON SALE:
$62.30 (30% off)

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

Feel the smooth power of silkweight all day when you wear the SmartWool Microweight 1/4-Zip Top.

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ON SALE:
$52.47 (30% off)

Mountain Hardwear Advance Lightweight Crew - Men's

Make the Mountain Hardwear Men’s Advance Lightweight Short-Sleeve Crew Shirt the first thing you put on for everything from a fall trail run to a day pillaging backcountry powder stashes.

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ON SALE:
$23.97 (40% off)

Icebreaker BodyFit 200 Oasis Crew - Men's

The warm, breathable Icebreakers Men’s BodyFit200 Oasis Crew eliminates stink amplification.

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ON SALE:
$45.47 (30% off)

Ibex Woolies Crew - Long-Sleeve - Men's

Layer the Ibex Men Woolies Crew Long Sleeve Shirt under other layers in the winter, or wear it by itself—either way, this form fitting shirt regulates your temperature, wicks moisture, and fights funk.

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ON SALE:
$58.61 (15% off)

Ibex Woolies Zip T-Neck Stripe Top - Long-Sleeve - Men's

Say goodbye to the man-made synthetic fibers of your old base layer and say hello to the soft, moisture-wicking Ibex Men’s Woolies Zip T-Neck Stripe Long-Sleeve Top.

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ON SALE:
$67.11 - $78.95 (15% off)

Patagonia Merino 1 T-Shirt - Short-Sleeve - Men's

Hot, sweaty trail runs and summertime hikes just got more comfortable thanks to the Patagonia Men’s Merino 1 T-Shirt.

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ON SALE:
$55.30 (30% off)

Stoic Merino Crew Shirt - Long-Sleeve - Men's

Forget your fears about itchy wool—the Stoic Merino Crew Shirt is a whole different beast. Employing 17.5-micron Merino wool from New Zealand, the Merino Crew Shirt ensures comfortable, dry days whether you're out for a mid-January dawn patrol or an autumn ride down the single track.

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ON SALE:
$22.95 (61% off)

Icebreaker BodyFit 150 LS Atlas Top - Men's

Wear the Icebreaker Men's BodyFit150 Atlas T-Shirt for traveling the globe, going for a hike, or hitting up the local climbing gym for a quick bouldering session. This slim-fit, merino wool tee regulates your temperature and wicks sweat.

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ON SALE:
$41.97 (30% off)

Cloudveil Run Don't Walk Light Top - Men's

For deep-winter layering or powering through a fall trail run, nothing beats the lightweight moisture management of the Cloudveil Men’s Run Don’t Walk Light Top.

ON SALE:
$50.97 (40% off)

Mountain Hardwear Continuum Lightweight Crew - Long-Sleeve - Men's

Think of the Mountain Hardwear Men’s Continuum Lightweight Crew as your partner in crime for your many interests. This compatible base layer keeps you dry and comfortable whether you’re rock climbing in the summer or skiing in the winter.

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ON SALE:
$27.48 - $30.22 (50% off)

SmartWool Microweight Crew - Long-Sleeve - Men's

For the scorchers at the resort, get the SmartWool Microweight Crew Shirt to wear as a base layer.

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ON SALE:
$45.47 (30% off)

Icebreaker BodyFit200 Oasis Printed Crewe - Men's

It's an awesome pow day, and you don't want to have to hit the lodge just to take care of biz. Luckily you happen to be wearing the Icebreaker BodyFit200 Oasis Printed Crewe under your bright ski jacket.

ON SALE:
$42.48 (50% off)

Sherpa Adventure Gear Tsepun Top - Men's

Absorb as much old-climber wisdom as possible when you wear the Sherpa Adventure Gear Tsepun Top while acclimatizing at base camp.

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ON SALE:
$29.98 (50% off)

Marmot Lightweight Crew - Men's

Whether used as a layering piece or worn alone, the anti-microbial Marmot Men's Lightweight Long-Sleeve Crew wicks moisture away from your skin when you work up a sweat.

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ON SALE:
$14.68 (65% off)

I/O Bio Merino Contact Crew Long-Sleeve T-Shirt - Men's

Rub the sleep out of your eyes, pull the merino wool I/O Biocompatibles Men's Contact LS Crew Shirt over your head, and take off for an all-day big wall climb or a late breakfast with last night's party crew.

ON SALE:
$33.77 (48% off)

Mountain Hardwear Advance Lightweight Crew - Long-Sleeve-Men's

The Mountain Hardwear Men's Advance Lightweight Long-Sleeve Crew offers dry, light warmth when worn alone, or you can layer it under a vest or jacket for moisture management in colder weather.

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ON SALE:
$26.97 - $44.95 (40% off)

Patagonia Capilene 1 Graphic Crew T-Shirt - Long-Sleeve - Men's

The Patagonia Men's Capilene 1 Band Brand Graphic Long-Sleeve T-Shirt combines casual looks with the technical abilities to go into the mountains.

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ON SALE:
$34.00 (15% off)
 
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