Base Layers and Underwear

Categories

Tops
Bottoms
One-Piece Base Layers
Boxers, Briefs, Bikinis
Sports Bras
Arm and Leg Sleeves

Brands

ExOfficio
Voormi
Patagonia
MyPakage
Ibex
New Balance
Stoic
Avalanche Wear
Icebreaker
Outdoor Research

Genders

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

Price

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

Recent Base Layer Reviews

ExOfficio Give-N-Go Boxer

rated 3 of 5 stars They are OK, Duluth Trading is much better. I have a couple of pairs and wear them often, today in fact. However I also have a few pairs of Duluth Trading Buck Naked briefs. The Duluths are much more comfortable, don't ride up, and are my choice when hiking. I think the Duluths are a little cheaper also. The ExOfficio's were my first purchase and I wore them about a year before I tried the Duluths. Full review

Voormi Women's Thermal ll Baselayer Top

rated 5 of 5 stars Well worth the investment...this brand is amazing! This is one of the most comfortable performance tops I have owned. It's lightweight but warm...perfect for every season. The fit is amazing and very flattering. The fabric is wool, but not uncomfortable itchy. Great for layering or wearing on its own. Well worth the investment! Full review

ExOfficio Give-N-Go Boxer

rated 4 of 5 stars The ExOfficio Give-N-Go Boxer is an excellent choice for activities in hot, humid weather. The technical fabric wicks away moisture, helping you feel cooler, and dries quicker than cotton underwear so you're not left with damp, sticky boxers at your destination. They can be hand washed, and dry quickly so you really can get by with just two pairs. I'm slowly but surely getting around to replacing all my old-school clothing for warm-weather outdoor activities with modern, technical gear—no more… Full review

Patagonia Men's Capilene 2 Lightweight Bottoms

rated 4.5 of 5 stars Go-to sleeping bottom. These are my go-to sleeping bottoms.  They're light enough to wear in the summer, provide a good base layer for the winter, and are more comfortable than laying directly on nylon or whatever. I've never gotten them wet but assume they would dry fast. They fit well, and have a functional fly. One extra chilly day I hiked most of the morning in them before I noticed the micro grid pattern on the inside was causing chafing. Wouldn't recommend putting miles in with these. Great… Full review

Icebreaker Women's Oasis Long Sleeve Crewe

rated 4.5 of 5 stars I own three of these, and they are the most useful pieces of outdoor clothing I've ever owned. Since I travel a lot and only take a carry-on, I find the Icebreaker Oasis Crewe comes off the mountain and dresses up fairly nicely for supper in the city. They never smell. They dry quickly and wash beautifully. I own three Crewe shirts in black, black, and fuchsia. Although the black ones are more versatile, I love the bright pink colour. If you like your shirts loose, take a size larger. They do occasionally… Full review

MyPakage Action Series Boxer Brief

rated 4 of 5 stars The primary marketing edge of MyPakage's stretchy boxer briefs is a specially-shaped and partially separated pouch...but its real advantage lies in a no-chafe design with great fabric. The pouch feels odd at first; over time, I grew to really like these. They do a nice job wicking moisture and keeping you dry and are particularly good at drying quickly. They appear to be reasonably durable and did not chafe or bind. I would choose MyPakage boxer briefs over comparable boxer briefs based on overall… Full review

Icebreaker Men's Everyday Long Sleeve Crewe

rated 5 of 5 stars I would fill my closet with these shirts!! I've had this shirt for a few months now. I went on a two-week road trip Quebec-Colorado-Grand Canyon-Vegas and all the way back, and had this shirt for most of the time and skied with it. Came back and nobody could've said so by looking at it or smelling it. I am 6' - 175 lbs and took the XL so I could wear it with a looser fit, which also permits me to wear another tighter layer of merino underneath when really cold. So instead of packing 5-6 T-shirts,… Full review

Patagonia Men's Capilene Daily T-Shirt

rated 4 of 5 stars Dries fast, inexpensive and comfortable... This is Patagonia's Daily T-Shirt, advertised as being a regular cut so you won't look out of place in town. It's made out of the same quick drying Capilene polyester as the discontinued Capilene 1 Silkweight T-Shirt, with the same Polygiene odor control, but it comes in more "normal" colors. Also listed among its features are gusseted underarms (I don't know what that means) and 50+ sun protection. The material is good stuff, it's more abrasion resistant… Full review

Icebreaker Men's Everyday Long Sleeve Crewe

rated 5 of 5 stars A superb, comfortable baselayer for cool weather activities. I started wearing Merino baselayers back in 2003, when they first seemed to be hitting the market. In those days, it was Smartwool, and not much else. Most of the tops I purchased those many years ago, are now in tatters, so it was time to replace. Having had good recent success with Icebreaker, I found this shirt on sale, and took the bait. I have found Icebreaker's fit to be slightly on the small side, so even though I usually wear XL… Full review

Top-Rated Base Layers and Underwear

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

user rating: 3.5 of 5 (2)
ExOfficio Give-N-Go Boxer reviewed Jul 21, 2016
$13 - $26
user rating: 5 of 5 (1)
Voormi Thermal ll Baselayer Top reviewed Jul 20, 2016
$129
user rating: 4.5 of 5 (1)
Patagonia Capilene 2 Lightweight Bottoms reviewed Jul 10, 2016
$24 - $49
user rating: 4 of 5 (1)
MyPakage Action Series Boxer Brief reviewed Apr 27, 2016
$40 MSRP
user rating: 4 of 5 (1)
Patagonia Capilene Daily T-Shirt reviewed Feb 22, 2016
$20 - $39
user rating: 5 of 5 (7)
ExOfficio Give-N-Go Boxer Brief reviewed Jan 2, 2016
$15 - $26
user rating: 5 of 5 (5)
Patagonia Capilene 2 Lightweight Zip-Neck reviewed Dec 31, 2015
$30 - $55
user rating: 5 of 5 (1)
Ibex Woolies 2 Bottom reviewed Dec 3, 2015
$73 - $95
user rating: 5 of 5 (1)
New Balance Performance Underwear 9 Inch Inseam Boxer Brief reviewed Nov 29, 2015
user rating: 4 of 5 (1)
Patagonia Capilene 1 Silkweight Crew reviewed Nov 19, 2015
$21 - $39
user rating: 5 of 5 (2)
Stoic Merino 200 Boxer Brief reviewed Nov 16, 2015
discontinued
 
user rating: 5 of 5 (1)
Patagonia Merino Air Bottoms reviewed Nov 9, 2015
$129
user rating: 4 of 5 (3)
Avalanche Wear Mogul Pant reviewed Oct 7, 2015
$50 MSRP
user rating: 5 of 5 (1)
Patagonia Merino Air Hoody reviewed Sep 30, 2015
$104 - $149
user rating: 4.5 of 5 (1)
Icebreaker Bodyfit 260 Olympia Crewe reviewed Sep 24, 2015
discontinued
user rating: 4.5 of 5 (1)
ExOfficio Give-N-Go Sport Mesh Brief reviewed Sep 20, 2015
$17 - $26
user rating: 3.5 of 5 (1)
Outdoor Research ActiveIce Sun Sleeves reviewed Jul 22, 2015
$29
user rating: 5 of 5 (1)
Mountain Equipment Crux LS Crew reviewed Mar 3, 2015
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
$85 MSRP
user rating: 5 of 5 (1)
Smartwool NTS Mid 250 Bottom reviewed Sep 29, 2014
$60 - $100
user rating: 5 of 5 (1)
First Lite Chama Hoody reviewed Jun 5, 2014
user rating: 5 of 5 (1)
Adidas Sport Performance Flex 360 Boxer Brief reviewed Apr 22, 2014
user rating: 4 of 5 (1)
Under Armour Original Series 9-inch Boxerjock reviewed Mar 11, 2014
$20
user rating: 2.5 of 5 (1)
Wild Country Lightweight Base Layer Top reviewed Jan 1, 2014
user rating: 5 of 5 (2)
Stoic Alpine Merino 150 Crew - Long-Sleeve reviewed Dec 29, 2013
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 (2)
Icebreaker Oasis Long Sleeve Crewe reviewed Jun 15, 2016
$49 - $100
user rating: 4.5 of 5 (3)
Smartwool Microweight Crew reviewed Feb 2, 2014
$75
user rating: 4.5 of 5 (1)
Verve Cassandra Bra reviewed Oct 9, 2013
$38 MSRP
user rating: 4 of 5 (1)
RedRam Merino Legging reviewed Oct 5, 2013
user rating: 5 of 5 (1)
Ibex Swerve Long Sleeve Top reviewed Oct 2, 2013
discontinued
user rating: 4.5 of 5 (1)
Mountain Hardwear WayCool Arms reviewed Jun 20, 2013
$15 - $19
user rating: 5 of 5 (1)
Champion C9 Premium Boxer Briefs reviewed May 16, 2013
user rating: 3 of 5 (1)
Terramar SmartSilk Crew reviewed Mar 7, 2013
$60 MSRP
user rating: 2.5 of 5 (1)
Terramar Hot Totties Fleece Heavy Footy Performance Leggings reviewed Feb 9, 2013
user rating: 5 of 5 (1)
Terramar Hot Totties Grid Fleece Tights reviewed Feb 9, 2013
user rating: 4 of 5 (1)
Terramar Thermolator II Pant reviewed Feb 6, 2013
$19 - $26
user rating: 4 of 5 (2)
Terramar SmartSilk Tights reviewed Mar 7, 2013
$60 MSRP
 
user rating: 5 of 5 (1)
Terramar EC2 Transport reviewed Jan 31, 2013
 
user rating: 5 of 5 (1)
Terramar TXO 3.0 Body-Sensors reviewed Jan 31, 2013
user rating: 4.5 of 5 (1)
Icebreaker Anatomica Brief reviewed Jan 20, 2013
$24 - $35
user rating: 5 of 5 (1)
Stoic Merino 200 1-Z Suit reviewed Jan 20, 2013
user rating: 3 of 5 (1)
Gordini Silkweight Briefs reviewed Jan 18, 2013
discontinued
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)
Patagonia Capilene 4 Expedition Weight Zip-Neck reviewed Dec 29, 2012
$45 - $99
 
user rating: 5 of 5 (1)
RedRam Merino Boxer Briefs reviewed Dec 13, 2012
user rating: 4 of 5 (1)
Isis Henna Day reviewed Nov 15, 2012
$34 MSRP
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