Clothing

Gear

Accessories

Clearance Bins

Men's Lightweight Long Underwear - Tops

Shop by Brands Shop by % off New Arrivals

Almost Sold Out

Regular: $39.95
Price: $23.97 40% Off!
Only 1 left!
Regular: $41.95
Price: $29.37 30% Off!
Only 1 left!
Regular: $49.95
Price: $34.96 30% Off!
Only 1 left!

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.

* Available Sizes: XL
ON SALE:
$55.97 (30% off)

Icebreaker BodyFit260 Crewe - Long-Sleeve - Men's

The Icebreaker Men's BodyFit260 Crewe Shirt features merino wool, which insulates you and pulls sweat away from your body so you stay dry.

* Available Sizes: S, M, L, XL
ON SALE:
$41.97 (40% off)

SmartWool Microweight T-Shirt - Men's

The versatile Men's Microweight T-Shirt features SmartWool's soft merino wool fabric, which pulls sweat vapors away from your skin to keep you dry and comfortable.

* Available Sizes: M, L, XL
ON SALE:
$32.97 (40% off)

SmartWool Microweight Crew Shirt - Long-Sleeve - Men's

Wear the SmartWool Men's Microweight Long-Sleeve Crew Shirt for cool- or warm-weather aerobic activities or as a next-to-skin base layer.

* Available Sizes: XL, XXL
ON SALE:
$38.97 (35% off)

SmartWool Lightweight Zip T-Shirt - Long-Sleeve - Men's

Wear the SmartWool Men's Lightweight Zip-T long-sleeve shirt for cool-weather aerobic activities or as a next-to-skin base layer.

* Available Sizes: S, XL
ON SALE:
$52.47 (30% off)

Merrell Merino Long-Sleeved Crew Shirt - Men's

If you have yet to enjoy the benefits of merino, the Merrell Men's Merino Long-Sleeve Shirt is a great place to start. This highly effective insulator feels soft and comfortable as a layer or a solo piece.

Available Sizes: S, M, L, XL
ON SALE:
$45.47 (30% off)

Ibex Pico Zip T Long-Sleeve - Men's

After a long climb to the top of a backcountry ridge, your base layer can often feel like a wet Kleenex draped on your back—not the Ibex Men's Pico Zip T-Neck Top. It will keep you dry and warm.

* Available Sizes: S, L, XL, XXL
ON SALE:
$66.47 (30% off)

Icebreaker BodyFit Mondo Zip Top - Men's

The Icebreaker Men's BodyFit Mondo Zip Top—not to be confused with a turtle neck.

Available Sizes: M, L
ON SALE:
$52.47 (40% off)

Sessions Diffusion Crew - Men's

The Sessions Men's Diffusion Crew is a versatile base layer whether you're hiking the pipe to sweat out last nights' beverages or you're dialing your sequence for next weeks' comp.

* Available Sizes: XS
ON SALE:
$23.97 (40% off)

Burton Infra Mid Crew - Men's

Start it off right with the Burton Men's Infra Mid Crew Top.

Available Sizes: M
ON SALE:
$16.77 (40% off)

Icebreaker SportFit Upstate Top - Men's

When you need the upper hand on cold weather, grab the Icebreaker Men's Upstate ¼-Zip Top.

Available Sizes: M
ON SALE:
$104.96 (30% off)

Icebreaker SportFit Upstate Top - Men's

The Icebreaker Men's Upstate ¼-Zip Top gives you the upper hand in blustery weather.

Available Sizes: M
ON SALE:
$89.97 (40% off)

Burton Compression Crew - Long-Sleeve - Men's

The close-fitting Burton Men's Long-Sleeve Compression Crew provides efficient insulation under your fleece, and it's so light you'll hardly know you're wearing it.

Available Sizes: S, M, L, XL
ON SALE:
$48.97 (30% off)

Icebreaker BodyFit200 Oasis Crew - Long-Sleeve - Men's

The Icebreakers Men's BodyFit200 Oasis Crew is a great all-around lightweight base layer made from the ultimate breathable insulation—Merino wool.

* Available Sizes: XL
ON SALE:
$35.97 (40% off)

eesa Stitches T-Shirt - Short-Sleeve - Men's

eesa knows that tees are important too, so they designed the Men's Stitches T-Shirt with tons of tech features to keep you comfy on the slopes and happy in the lodge.

* Available Sizes: S, M, L, XL
ON SALE:
$20.97 (30% off)

I/O Biocompatibles 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.

Available Sizes: S, M, L, XL
ON SALE:
$48.97 (30% off)

Sessions Diffusion Crew - Men's

A couple things are certain about the Sessions Men's Diffusion Crew Top: (1) this long-sleeve base layer will keep you comfortable and dry on the mountain; (2) it'll never get confused with those plain-ass thermals on your floor.

Available Sizes: XS, M, XL
ON SALE:
$31.47 (30% off)

I/O Biocompatibles Contact Zip T-Shirt - Men's

The 100% merino wool I/O Biomechanics Men's Contact Zip T-Shirt keeps you cool, dry, and smelling like a rose no matter how long you sit out beneath those radio telescopes listening for communications of the third kind.

* Available Sizes: L, XL
ON SALE:
$55.97 (30% off)

Craft Pro Dri Long-Sleeve Crew - Men's

Slip into a layer that's so comfortable you'll wonder if it's bonded to your skin—the Craft Men's Pro Dri Long Sleeve Crew.

* Available Sizes: XL
ON SALE:
$34.96 (30% off)

Outdoor Research Sequence Zip Tee - Men's

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

* Available Sizes: XL
ON SALE:
$29.37 (30% off)

Volcom Troop Basic Crew - Long-Sleeve - Men's

With a Volcom print and relaxed fit, the Volcom Men's Troop Basic Crew Top is a piece of long underwear you won't be ashamed to rock on the outside.

* Available Sizes: XL
ON SALE:
$34.96 (30% off)

Shop By Brand

My Cart

Your cart is currently empty.