Base Layer Tops

Brands

Patagonia
Arc'teryx
Marmot
SmartWool
Stoic
Icebreaker
Mountain Hardwear
Polarmax
Ibex
Terramar

Genders

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

Price

less than $25
$25 - $49.99
$50 - $99.99
$100 and above

Recent Base Layer Top Reviews

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

Icebreaker Women's Bodyfit 150 Long Sleeve Crewe

rated 5 of 5 stars Women's version, really lives up to the hype. Definitely worth the money. Merino wool keeps sheep warm in winter and cool in summer. Period.  It will do the same for you. Once you go wool you're never going back to synthetic for base layer comfort. I always smelled like a barn animal after hiking and camping in a synthetic base layer. No problem anymore. Not only does the merino shirt do better it actually inhibits bacterial growth, the difference is overwhelming.  This material is not the scratchy… Full review

Patagonia Men's Merino 2 Lightweight T-Shirt

rated 4 of 5 stars Nice fit, no itch, use as base in cooler temps or alone in warm temps. I put off buying due to cost, but wish I saved up and got one sooner. I use this as a base in cooler temps and alone when it's warmer. It's nice because it dries quick so when you slow down on a hike or cool breeze comes up I remain comfortable. No seam on your shoulder, requires more care when washing. Full review

Icebreaker Men's Oasis Long Sleeve Crewe

rated 5 of 5 stars Wonderfully smooth to the touch, no itch, and good looking base layer shirt. Ideal for everyday wear, hiking, outdoor sports, hunting/shooting, etc as it has great freedom of movement across the shoulders and no binding. I have 1 of these in blue with contrasting white stitching and its a very nice base layer shirt that comes at an outrageous price. Despite being sold by a discount outlet, and further reduced on their close-out page, this is a glorified undershirt that costs $50. Not sure what the… Full review

Top-Rated Base Layer Tops

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Patagonia Capilene 2 Lightweight Zip-Neck
user rating: 5 of 5 (3)
Patagonia
Capilene 2 Lightweight Zip-Neck
$23 - $55
Arc'teryx Rho LT Zip
user rating: 5 of 5 (2)
Arc'teryx
Rho LT Zip
$65 - $118
Marmot Lightweight Crew LS
user rating: 5 of 5 (2)
Marmot
Lightweight Crew LS
$30
Patagonia Merino 2 Lightweight Crew
user rating: 5 of 5 (2)
Patagonia
Merino 2 Lightweight Crew
$45 - $90
Patagonia Capilene 4 Expedition Weight Zip-Neck
user rating: 5 of 5 (2)
Patagonia
Capilene 4 Expedition Weight Zip-Neck
$59 - $99
SmartWool Midweight Zip T
user rating: 5 of 5 (2)
SmartWool
Midweight Zip T
$44 - $105
Stoic Alpine Merino 150 Crew - Long-Sleeve
user rating: 5 of 5 (2)
Stoic
Alpine Merino 150 Crew - Long-Sleeve
$32
Icebreaker 260 Midweight LS Crewe
user rating: 4.5 of 5 (4)
Icebreaker
260 Midweight LS Crewe
$18 - $68
SmartWool Microweight Crew
user rating: 4.5 of 5 (3)
SmartWool
Microweight Crew
$30 - $80
SmartWool Microweight Tee
user rating: 4.5 of 5 (3)
SmartWool
Microweight Tee
$30 - $75
Icebreaker 260 Midweight Tech Top
user rating: 5 of 5 (1)
Icebreaker
260 Midweight Tech Top
$33 - $64
Icebreaker Oasis Long Sleeve Crewe
user rating: 5 of 5 (1)
Icebreaker
Oasis Long Sleeve Crewe
$47 - $140
Patagonia Capilene 2 Lightweight Crew
user rating: 5 of 5 (1)
Patagonia
Capilene 2 Lightweight Crew
$22 - $49
Mountain Hardwear Power Stretch Zip T
user rating: 5 of 5 (1)
Mountain Hardwear
Power Stretch Zip T
$42 - $51
Polarmax Tech Silk Crew
user rating: 5 of 5 (1)
Polarmax
Tech Silk Crew
$20
SmartWool Midweight Crew
user rating: 5 of 5 (1)
SmartWool
Midweight Crew
$33 - $95
Patagonia Capilene 1 Silkweight Scoop
user rating: 5 of 5 (1)
Patagonia
Capilene 1 Silkweight Scoop
$19 - $33
SmartWool Midweight Hoody
user rating: 5 of 5 (1)
SmartWool
Midweight Hoody
$50 - $125
Marmot Midweight Crew LS
user rating: 5 of 5 (1)
Marmot
Midweight Crew LS
$30
SmartWool Lightweight Zip T
user rating: 4 of 5 (4)
SmartWool
Lightweight Zip T
$38 - $99
Icebreaker 150 Ultralite LS Atlas
user rating: 4.5 of 5 (1)
Icebreaker
150 Ultralite LS Atlas
$45
Patagonia Capilene 2 Lightweight T-Shirt
user rating: 4.5 of 5 (1)
Patagonia
Capilene 2 Lightweight T-Shirt
$27 - $45
SmartWool Midweight Funnel Zip
user rating: 4.5 of 5 (1)
SmartWool
Midweight Funnel Zip
$86 - $114
Patagonia Merino 3 Midweight Crew
user rating: 4.5 of 5 (1)
Patagonia
Merino 3 Midweight Crew
$54 - $115
Icebreaker GT 200 L/S Chase Zip
user rating: 4.5 of 5 (1)
Icebreaker
GT 200 L/S Chase Zip
$77
Marmot Midweight Zip LS
user rating: 4 of 5 (2)
Marmot
Midweight Zip LS
$30 - $42
Ibex Zepher Zip T-Neck
user rating: 4 of 5 (1)
Ibex
Zepher Zip T-Neck
$65 - $79
Patagonia Merino 2 Lightweight T-Shirt
user rating: 4 of 5 (1)
Patagonia
Merino 2 Lightweight T-Shirt
$38 - $80
Terramar Thermawool Merino Crew Top
user rating: 4 of 5 (1)
Terramar
Thermawool Merino Crew Top
$40
Icebreaker Tech Long Sleeve Crewe
Icebreaker
Tech Long Sleeve Crewe
$21 - $100
Icebreaker BodyFit 200 Oasis Printed
Icebreaker
BodyFit 200 Oasis Printed
$62
Icebreaker Oasis Long Sleeve Crewe Slopes
Icebreaker
Oasis Long Sleeve Crewe Slopes
$66 - $75
Icebreaker Anatomica Crewe
Icebreaker
Anatomica Crewe
$26 - $65
DaKine Quick Draw Crew Top
DaKine
Quick Draw Crew Top
$20
Mountain Hardwear Integral Zip Tee
Mountain Hardwear
Integral Zip Tee
$48 - $88
Mountain Hardwear Micro Power Stretch Zip T
Mountain Hardwear
Micro Power Stretch Zip T
$46
Under Armour Base 3.0 1/4 Zip
Under Armour
Base 3.0 1/4 Zip
$48 - $79
Icebreaker Sierra Half Zip
Icebreaker
Sierra Half Zip
$64 - $102
Salomon Lightweight Long-Sleeve Crew Top
Salomon
Lightweight Long-Sleeve Crew Top
$30
Arc'teryx Phase SV Crew LS
Arc'teryx
Phase SV Crew LS
$59 - $78
Patagonia Capilene 3 Midweight Crew
Patagonia
Capilene 3 Midweight Crew
$7 - $55
Kenyon Polarskins Long Underwear Shirt - Lightweight
Kenyon
Polarskins Long Underwear Shirt - Lightweight
$13
REI Lightweight Polartec Power Dry MTS Long-Sleeve Crew
REI
Lightweight Polartec Power Dry MTS Long-Sleeve Crew
$35
Mammut Go Warm Longsleeve
Mammut
Go Warm Longsleeve
$45
Patagonia Merino 3 Midweight V-Neck
Patagonia
Merino 3 Midweight V-Neck
$115
SmartWool Lightweight Asymmetrical Zip
SmartWool
Lightweight Asymmetrical Zip
$57 - $94
Patagonia Merino 1 Silkweight Tank
Patagonia
Merino 1 Silkweight Tank
$48 - $60
Patagonia Capilene 3 Midweight Zip Neck
Patagonia
Capilene 3 Midweight Zip Neck
$27 - $65
Icebreaker Tech T Lite Long Sleeve Roots
Icebreaker
Tech T Lite Long Sleeve Roots
$45 - $66
Helly Hansen HH Dry Stripe Crew
Helly Hansen
HH Dry Stripe Crew
$26 - $39
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