Base Layer Tops


Mountain Hardwear




less than $25
$25 - $49.99
$50 - $99.99
$100 - $199.99
$200 - $299.99
$300 and above

Recent Base Layer Top Reviews

Patagonia Men's Merino 3 Midweight Hoody

rated 5 of 5 stars Encapsulating warmth, anti-stink, relatively quick drying, wicking, optional thumb loops, light weight, and recently on sale! Is that possible? One top to rule them all. Fit for me is spot on. Deep chest zip is aah-so-perfect, extra long arms, breathes and adjusts to temperature better than anything, layers perfectly, because of merino/Capilene fusion. This now has better abrasion resistance and drying time. From 55 degrees and below this is the ultimate upper body single item apparel. I now own… Full review

Woolx X704

rated 4 of 5 stars The Woolx X704 1/4 zip heavyweight merino pullover made from 100% Australian Merino Wool (400g/m2, 18.5 Micron) is impressively warm for its size (volume and weight). The attractive design and well-fitting athletic cut, combined with its excellent performance in a wide range of conditions make it an ideal mid layer for all manner of outdoor pursuits. From Woolx: A heavyweight ¼ zip pullover made from 100% Australian Merino Wool (400g/m2, 18.5 Micron). Fit/Adjustability: My measurements are a 43-inch… Full review

SmartWool Midweight Turtleneck

rated 5 of 5 stars Luxurious warmth!!!! WOW! I could just leave it at that but I will elaborate. I first bought the SmartWool NTS 250 bottoms, which I love, so when I saw this shirt on sale I couldn't resist. Although both the top and bottoms are NTS 250 the top is much thicker and sooooo soft. I like staying warm outdoors and this shirt has kept me just that! I wear it all winter and bring it along for all my hiking and camping endeavours in the summer as well. I usually sleep in it when I'm at higher elevations… Full review

First Lite Chama Hoody

rated 5 of 5 stars My First Lite merino clothing keeps me comfortable in the cold mountain mornings and when I am hiking during the warmer parts of the day. Great for layering or for sleeping in on those cold nights. Pull the hood up, cinch it down for added warmth. The Chama Hoody is a versatile top. It can be used as a base layer on those cold hikes through the woods, or as a stand-alone sweater on those days where a jacket is too much. The hood, with its cinch string, is useful in a cool environment, but you will… Full review

SmartWool Men's Microweight Crew

rated 4 of 5 stars A well-made, Merino wool baselayer that has gotten me through the insane cold of January 2014. It's a bit short in the torso for this 6'2" guy. The regular price is a bit higher than I think the product is worth. While I agree SmartWool makes good products, I also believe the price is driven by the name. For that reason, I seldom buy SW products unless I find them deeply discounted. Such was the case with the SmartWool Microweight Crew shirt, which I picked up for $36. While I am satisfied with… Full review

SmartWool Women's Midweight Crew

rated 5 of 5 stars Great wicking wool top! I've used this as a base layer this winter for daily walks in the ever changing New England weather, on runs and while cross country skiing. Would recommend this top for anyone looking to stay warm and dry while being active. I love this top! The sleeves are long enough to pull down over my fingers when cold and loose enough to fold back when I've warmed up. The length is perfect, long enough to tuck in or leave out with no gap at the waist.   I've used this as a base layer… Full review

Wild Country Lightweight Base Layer Top

rated 2.5 of 5 stars A mediocre base layer that probably won't last long in the market, as it doesn't fit well. I picked up this item on sale for $6 at Sierra Trading Post. I have not seen it sold elsewhere. I wore it nearly every day during the month of December, both indoors and outdoors. Had I paid the suggested retail price of $20, I would have felt this was a waste of money. The shirt arrived in its own stuff sack. This struck me as a bit odd and unnecessary. I appreciated the shirt's tagless design. Care for the… Full review

Stoic Men's Alpine Merino 150 Crew - Long-Sleeve

rated 5 of 5 stars Great baselayer! Bought a couple of these on for about $30! What a great price for a merino wool baselayer. I've been out with them twice now in the Colorado winter and was impressed on how they regulated body temperature. The sleeves have thumb holes which come in handy to keep your hands warm. They are barely noticeable when not in use. I'm happy with this shirt so far and can't wait to wear them in the backcountry for a couple of days! Full review

Icebreaker Men's Bodyfit 150 Long Sleeve Crewe

rated 5 of 5 stars Well worth the money. I always hang dry mine. It will keep you reasonably warm when it's wet or dry and I love to switch into it when I soaked a different undershirt on the hike up. Fits really nice, breathable, and very good construction. Full review

Top-Rated Base Layer Tops

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Wickers Midweight Long Sleeve Top
ExOfficio Give-N-Go Lacy Tank
$9 - $21
Columbia Coolest Cool Sleeveless Top
$10 - $21
Terramar Body Sensors Tech Jersey Tank
$10 - $12
Patagonia Capilene 1 Silkweight T-Shirt
$10 - $35
Columbia Quickest Wick Sleeveless Top
Kenyon Polarskins Long Undewear Shirt - Lightweight
Kenyon Polarskins Long Underwear Shirt - Lightweight
ExOfficio Give-N-Go Tank Top
$14 - $29
Marmot DriClime Crew LS
Terramar Hot Totties Cloud Nine Scoop Neck Shirt
$15 - $19
Polarmax Double Base Layer Crew
$15 - $27
Mountain Hardwear Advance Lightweight Long Sleeve Crew
Patagonia Capilene 1 Silkweight Crew
$15 - $49
Columbia Baselayer Lightweight Short Sleeve Top
REI Midweight Crew Print Top
$16 - $22
Cloudveil Lightweight Crewneck Top
$16 - $35
Terramar Authentic Thermal Underwear Crew
REI Midweight Quarter-Zip Top
$17 - $24
Kenyon Polarskins Long Underwear Shirt - Midweight
$18 - $19
Icebreaker Sprite Racerback Tank
$18 - $36
Columbia Baselayer Midweight Mock Neck Long Sleeve
$18 - $24
Patagonia Capilene 1 Silkweight Stretch Tank
Helly Hansen HH Dry Top
$18 - $27
Carhartt Work-Dry Long-Sleeve Sub-Scrub
Marmot Lightweight Crew SS
REI Midweight Crew Heather Top
Patagonia Active Cami
Polarmax 4-Way Stretch Zip Mock T
$20 - $49
Terramar Hot Totties Cloud Nine Half Zip Shirt
Terramar Thermolator II Half Zip
DaKine Quick Draw Crew Top
Burton Lightweight Crew
$20 - $39
user rating: 5 of 5 (1)
Polarmax Tech Silk Crew
Patagonia Capilene 1 Silkweight Tank
Patagonia Capilene 1 Silkweight Sleeveless T
$20 - $29
Hot Chillys Micro-Elite Brushed Zip T
$21 - $22
Kenyon Polarskins Long Underwear Shirt - Heavyweight
$21 - $22
Columbia Baselayer Midweight Short Sleeve Top
$21 - $44
Helly Hansen Ice Crew
$21 - $84
REI Lightweight Polartec Power Dry MTS Long-Sleeve Crew
user rating: 4.5 of 5 (1)
Patagonia Capilene 2 Lightweight T-Shirt
$22 - $45
Coldpruf Extreme Performance Crew
user rating: 5 of 5 (3)
Patagonia Capilene 2 Lightweight Zip-Neck
$22 - $55
user rating: 5 of 5 (1)
Patagonia Capilene 2 Lightweight Crew
$22 - $49
Burton Midweight Crew
$22 - $49
REI Silk Camisole
Patagonia Capilene 1 Silkweight Graphic T-Shirt
$23 - $45
Polarmax Micro H1 Long Sleeve Crew
$23 - $29
REI Midweight Space Dye Crew Shirt
$23 - $46
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