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Base Layer Tops

The best base layer tops, reviewed and curated by the Trailspace community. The latest review was added on October 8, 2020. Stores' prices and availability are updated daily.

user rating: 5 of 5 (2)
Icebreaker Oasis Long Sleeve Crewe
$9
user rating: 5 of 5 (2)
Smartwool Midweight Zip T
$75
user rating: 5 of 5 (2)
Icebreaker Everyday Long Sleeve Crewe
$40 - $69
user rating: 5 of 5 (1)
Fjallraven Bergtagen Woolmesh Sweater
$119 - $160
user rating: 4.5 of 5 (1)
Outdoor Research Enigma Half Zip
$59 - $79
user rating: 4.5 of 5 (1)
Black Diamond Solution 150 Merino Base Crew
$119 - $120
 
user rating: 4.5 of 5 (1)
Voormi River Run Hoodie
$129
user rating: 4.5 of 5 (1)
Craft Active Extreme 2.0 CN LS Top
$51 - $62
user rating: 4.5 of 5 (1)
Helly Hansen HH Lifa Merino 1/2 Zip
$63 - $78
user rating: 4.5 of 5 (1)
Kari Traa Rose Long Sleeve
$63 - $109
user rating: 4.5 of 5 (1)
Patagonia Capilene Air Hoody
$149
user rating: 4 of 5 (2)
Patagonia Capilene Air Crew
$100 - $129
user rating: 4 of 5 (1)
Smartwool Merino Sport 150 Hidden Pocket Tech Tee Short Sleeve Performance Top / Top
$46 - $65
user rating: 4 of 5 (1)
Smartwool Intraknit Merino 250 Thermal 1/4 Zip
$98 - $150
user rating: 3 of 5 (2)
Patagonia Capilene Thermal Weight Zip-Neck
$59 - $99
Smartwool Merino 150 Pocket Tee Base Layer Top / Short Sleeve Performance
$38 - $85
Isobaa Merino 200 Zip Neck Hoodie
Isobaa Merino 180 Long Sleeve Crew
Isobaa Merino 150 Short Sleeve Crew
user rating: 5 of 5 (6)
Patagonia Capilene 2 Lightweight Zip-Neck
user rating: 5 of 5 (3)
Icebreaker Bodyfit 150 Long Sleeve Crewe
user rating: 5 of 5 (2)
Icebreaker 260 Midweight Tech Top
$110 MSRP
user rating: 5 of 5 (2)
Marmot Lightweight Crew LS
$45 MSRP
user rating: 5 of 5 (2)
Patagonia Merino 2 Lightweight Crew
$70 MSRP
user rating: 5 of 5 (2)
Patagonia Capilene 4 Expedition Weight Zip-Neck
user rating: 5 of 5 (2)
Stoic Alpine Merino 150 Crew - Long-Sleeve
user rating: 4.5 of 5 (4)
Icebreaker 260 Midweight LS Crewe
$100 MSRP
user rating: 4.5 of 5 (3)
Smartwool Microweight Crew
user rating: 4.5 of 5 (3)
Smartwool Microweight Tee
$65 MSRP
user rating: 4.5 of 5 (2)
Stoic Merino Bliss Shirt - Long-Sleeve
$79 MSRP
user rating: 5 of 5 (1)
Kora Shola 230 Crew
$145 MSRP
user rating: 5 of 5 (1)
Mountain Hardwear Power Stretch Zip T
$95 MSRP
user rating: 5 of 5 (1)
Smartwool NTS Mid 250 Hoody
user rating: 5 of 5 (1)
Polarmax Tech Silk Crew
$30 MSRP
user rating: 5 of 5 (1)
Woolx Everyday Long Sleeve Crew 230 Midweight
$74 MSRP
user rating: 5 of 5 (1)
Bight Gear Solstice Graphene Hoody
$69 MSRP
user rating: 5 of 5 (1)
Smartwool Midweight Turtleneck
$85 MSRP
user rating: 5 of 5 (1)
Mont Slinx LS Zip
user rating: 5 of 5 (1)
Patagonia Merino 3 Midweight Hoody
$125 MSRP
user rating: 5 of 5 (1)
Patagonia Merino Air Hoody
user rating: 5 of 5 (1)
First Lite Chama Hoody
user rating: 5 of 5 (1)
Ridge Merino Inversion Heavyweight Crew
$90 MSRP
user rating: 5 of 5 (1)
Ibex Indie Zip T
$95 MSRP
user rating: 5 of 5 (1)
U.S. Military Gen III, Level 2 ECWCS Top
user rating: 4 of 5 (4)
Smartwool Lightweight Zip T
user rating: 4.5 of 5 (1)
Eddie Bauer First Ascent Midweight Crewneck Baselayer
$45 MSRP
user rating: 4.5 of 5 (1)
Sherpa Adventure Gear Baans Tech Quarter Zip
user rating: 4.5 of 5 (1)
Appalachian Gear Company All-Paca Crew Long Sleeve Performance Top / Top
$145 MSRP

Recent Base Layer Top Reviews

rated 5 of 5 stars
Bight Gear Solstice Graphene Hoody

Very protective, good fit, light weight, and reasonably priced. This is my second sun hoody after the Black Diamond Alpenglow, which I liked. The Bight Solstice Hoody has a better fit for me (not quite as loose) and the fabric is lighter in weight and has a nicer hand. In contrast to the Alpenglow, it has thumb holes which provide a bit more sun protection for the back of the hands without interfering with dexterity, plus it's a bit less expensive ($69) than the Alpenglow ($85 retail). I treated… Full review

rated 4.5 of 5 stars
Voormi River Run Hoodie

Who needs another baselayer or hoodie? Apparently I do. After three months of use the Voormi River Run Hoodie has become a standout in my baselayer collection. It's a versatile, lightweight, wool-polyester top that is comfortable, well-constructed, good-looking, and odor-free. While it's a minimalist design, it performs in a wide range of temps and terrain—from summer hiking to fall camping, and I'm planning to keep it in rotation for winter runs and skis. Women's Voormi River Run Hoodie I have… Full review

rated 1 of 5 stars
Patagonia Capilene Thermal Weight Zip-Neck

Uncomfortable fabric, poor fit. Worst Patagonia purchase in 35 years. Worst Patagonia item I have ever purchased. Fabric is uncomfortable on the skin. This weight is what came up when I wanted to replace my expedition weight zip top. Ridiculous. This is flimsy, textured on the inner surface. Shoulder area and neck fit is loose and loaded with excess fabric. If I could give it a negative star rating, I would.  Full review

rated 4.5 of 5 stars
Appalachian Gear Company All-Paca Crew

The All-Paca Crew is a lightweight, medium thickness base-layer suitable for active wear or just lounging around the house during a lock-down. It is made from 100 percent Alpaca fiber. It fills my niche as a three-season hiking/sleep layer, to be paired with a t-shirt on cold mornings and with a shell when the wind or rain begins to cut. It offers a good warmth-to-weight ratio, breathability, and also a hefty resistance to odor. It closely matches the performance of similar technical base-layers… Full review

rated 4 of 5 stars
Smartwool Merino Sport 150 Hidden Pocket Tech Tee

The Smartwool Merino Sport 150 Hidden Pocket Tech Tee is a lightweight tee-shirt, made from a comfortably soft blend of merino wool and polyester (56% merino/44% polyester). This combination makes for a shirt that breathes well, stays cool, dries quickly, and doesn’t stink after a day of hiking. An ideal shirt for warm weather adventures. Unfortunately, the hidden pocket isn't very practical. Conditions: I’ve worn the Smartwool Merino Sport 150 Hidden Pocket Tech Tee regularly for two months,… Full review

rated 4 of 5 stars
Smartwool Intraknit Merino 250 Thermal 1/4 Zip

The Smartwool Intraknit Merino 250 Thermal Quarter Zip brings 100% Merino wool in a comfortable and warm weave. This shirt works as a base, mid, outer and only layer depending on conditions, activity and the wearer's temperament. Versatile enough to handle a wide variety of cold weather activities. Smartwool takes a technical leap forward with their newly designed Intraknit Merino 250 Thermal 1/4 Zip and I've had the pleasure of extensively testing it over the last four months. Along with their… Full review

rated 4.5 of 5 stars
Outdoor Research Enigma Half Zip

The Enigma Half Zip is a base layer that places wicking moisture and drying quickly at a premium. That's a little unusual for a shirt that's partially made of merino wool, but in this case, the blend is 88 percent synthetic, 12 percent wool. Choose this shirt for high-sweat, high-output activities; consider a thicker/heavier base layer for bitter cold. The relatively light fabric and great moisture management makes this an attractive layer year-round until it's so warm that you're better off in… Full review

rated 4.5 of 5 stars
Black Diamond Solution 150 Merino Base Crew

Black Diamond's Solution 150 Merino Base Crew is a lightweight, polyester-reinforced merino wool base layer. Cool enough to wear under light shell clothing for high intensity activity at around-freezing temperatures without overheating, but easily layered over for use in colder conditions or at lower intensity. Stretch fabric gives a comfortable fit even on a slim frame and dries a little faster than 100 percent merino. (Preliminary review based on the first month of use) Black Diamond’s Solution… Full review

rated 4.5 of 5 stars
Kari Traa Rose Long Sleeve

The Kari Traa Rose Longsleeve is a 100 percent merino base layer that is comfortable, warm, and durable. It's thin enough to layer without restricting movement, and incorporates a range of colors and sizes to appeal to a variety of adventurous ladies! Just be prepared to size up as this base layer runs SMALL! Testing Conditions: I tested the Kari Traa Rose Longsleeve from December 2018 to December 2019 as a member of the Trailspace Review Corps. Testing conditions ranged from -25 to 20 degrees… Full review