Base Layer Tops

Brands

Patagonia
Woolx
SmartWool
other
Wild Country
Icebreaker
Ibex
Terramar
Omni-Wool
Gordini

Genders

Men's
Women's
Kids'
Boys'
Girls'

Price

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 steepandcheap.com 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

Sort by: name | rating | price | availability | recently reviewed

user rating: 5 of 5 (1)
Patagonia Merino 3 Midweight Hoody reviewed May 21, 2015
$70 - $140
user rating: 4 of 5 (1)
Woolx X704 reviewed Mar 2, 2015
$170 MSRP
user rating: 5 of 5 (1)
SmartWool Midweight Turtleneck reviewed Sep 29, 2014
$54 - $69
user rating: 5 of 5 (1)
First Lite Chama Hoody reviewed Jun 5, 2014
user rating: 2.5 of 5 (1)
Wild Country Lightweight Base Layer Top reviewed Jan 1, 2014
user rating: 5 of 5 (3)
Icebreaker Bodyfit 150 Long Sleeve Crewe reviewed Dec 21, 2013
user rating: 4 of 5 (1)
Patagonia Merino 2 Lightweight T-Shirt reviewed Oct 28, 2013
$65 MSRP
user rating: 5 of 5 (1)
Icebreaker Oasis Long Sleeve Crewe reviewed Oct 19, 2013
$48 - $89
user rating: 4.5 of 5 (3)
SmartWool Microweight Crew reviewed Feb 2, 2014
$47 - $79
user rating: 5 of 5 (1)
Ibex Swerve Long Sleeve Top reviewed Oct 2, 2013
discontinued
user rating: 5 of 5 (3)
Patagonia Capilene 2 Lightweight Zip-Neck reviewed Apr 3, 2013
$22 - $55
user rating: 3 of 5 (1)
Terramar SmartSilk Crew reviewed Mar 7, 2013
$60 MSRP
user rating: 4.5 of 5 (1)
Icebreaker GT 200 L/S Chase Zip reviewed Feb 13, 2013
$77
user rating: 5 of 5 (1)
Omni-Wool Midweight Crew reviewed Feb 10, 2013
$35 MSRP
user rating: 4 of 5 (2)
Gordini Lavawool Midweight 1/4 Zip reviewed Jan 18, 2013
discontinued
user rating: 3.5 of 5 (1)
Icebreaker Bodyfit 200 Oasis Crewe Scroll reviewed Jan 16, 2013
user rating: 5 of 5 (2)
Stoic Alpine Merino 150 Crew - Long-Sleeve reviewed Dec 29, 2013
user rating: 5 of 5 (2)
Patagonia Capilene 4 Expedition Weight Zip-Neck reviewed Dec 29, 2012
$40 - $99
user rating: 5 of 5 (1)
Patagonia Capilene 1 Silkweight Scoop reviewed Nov 1, 2012
$45 MSRP
user rating: 5 of 5 (1)
SmartWool Midweight Hoody reviewed Jul 29, 2012
$110 MSRP
user rating: 4 of 5 (1)
Terramar 1/2 Zip Geo Fleece Top reviewed May 9, 2012
user rating: 4 of 5 (4)
SmartWool Lightweight Zip T reviewed Apr 24, 2012
$60 - $99
 
user rating: 4.5 of 5 (1)
Minus33 100% Wool Mid Weight Turtleneck reviewed Feb 21, 2011
user rating: 5 of 5 (1)
Patagonia Wool 2 Crew reviewed Nov 30, 2010
discontinued
user rating: 5 of 5 (1)
Ortovox Merino 130 Short Sleeve reviewed Jun 5, 2010
$82 MSRP
 
user rating: 4 of 5 (1)
Polarmax TransDRY Cotton reviewed Feb 24, 2010
discontinued
user rating: 4 of 5 (1)
The North Face XTC Midweight Crew reviewed Feb 23, 2010
discontinued
user rating: 5 of 5 (1)
Under Armour ColdGear Sub Zero Mock reviewed Dec 20, 2009
discontinued
user rating: 5 of 5 (1)
Polarmax Severe Gear Fleece Crew reviewed Mar 13, 2008
discontinued
user rating: 4 of 5 (1)
Isis Wool Zip-Neck Turtle reviewed Oct 15, 2007
discontinued
user rating: 5 of 5 (1)
Icebreaker Bodyfit 260 Slalom Zip reviewed Aug 2, 2007
discontinued
user rating: 5 of 5 (1)
REI Lightweight MTS Long-Sleeve Crew reviewed Apr 27, 2007
discontinued
user rating: 5 of 5 (2)
Arc'teryx Rho LT Zip Neck reviewed Feb 6, 2007
$77 - $118
user rating: 5 of 5 (2)
Icebreaker Bodyfit 260 Olympia Zip reviewed Oct 14, 2006
discontinued
user rating: 5 of 5 (2)
Patagonia Capilene EW Stretch Zip-T reviewed Oct 10, 2006
discontinued
 
user rating: 4 of 5 (1)
GoLite Endurance Zip Top reviewed Jul 18, 2006
discontinued
user rating: 5 of 5 (2)
Patagonia Merino 2 Lightweight Crew reviewed Apr 25, 2013
$41 - $90
user rating: 5 of 5 (2)
SmartWool Midweight Zip T reviewed Oct 1, 2013
$60 - $100
user rating: 4.5 of 5 (3)
SmartWool Microweight Tee reviewed Feb 23, 2012
$70 - $75
user rating: 5 of 5 (1)
Icebreaker 260 Midweight Tech Top reviewed Jan 31, 2011
$65 - $66
user rating: 5 of 5 (1)
Patagonia Capilene 2 Lightweight Crew reviewed Jan 17, 2008
$22 - $49
user rating: 5 of 5 (1)
Polarmax Tech Silk Crew reviewed Jun 18, 2010
$20
user rating: 5 of 5 (1)
SmartWool Midweight Crew reviewed Jan 22, 2014
$36 - $95
user rating: 5 of 5 (1)
Marmot Midweight Crew LS reviewed Mar 5, 2010
$23 - $37
user rating: 4.5 of 5 (1)
Icebreaker 150 Ultralite LS Atlas reviewed Jul 21, 2012
$45
user rating: 4.5 of 5 (1)
Patagonia Capilene 2 Lightweight T-Shirt reviewed Nov 19, 2012
$22 - $39
user rating: 4.5 of 5 (1)
SmartWool Midweight Funnel Zip reviewed Feb 23, 2012
$75 - $115
user rating: 4.5 of 5 (1)
Patagonia Merino 3 Midweight Crew reviewed Feb 28, 2012
$74 - $80
user rating: 4 of 5 (1)
Ibex Zepher Zip T-Neck reviewed Dec 6, 2006
$74 - $79
Icebreaker Tech Long Sleeve Crewe
$66
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