Base Layers and Underwear

Category

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

Brand

ExOfficio
Icebreaker
Arc'teryx
Patagonia
Smartwool
Fjallraven
Craft
Airblaster
Marmot
Outdoor Research

User

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

Price

less than $25
$25 - $49.99
$50 - $99.99
$100 - $199.99
$200 - $299.99
$300 - $399.99
$400 - $499.99
$500 and above

Recent Base Layer Reviews

Louis Garneau Arm Coolers

rated 2.5 of 5 stars Costly. Fit well if sized correctly. Cool and sunburn-free. Info tag pokes. Latex! LATEX: If you have a latex allergy, do not use these. Info tag pokes your underarm soft skin if you don't fold correctly. Otherwise, they keep the sun off and feel cool. Rather expensive. Full review

prAna Sophia Bra Top

rated 5 of 5 stars This bra does a nice "lift and separate." The plunging neckline looks great for me, which isn't usually a flattering style on my figure. I can't wear regular bras, only sports bras, and this is comfortable, supportive, AND looks great! I'm excited to wear some favorite dresses and not worry about my bra and the neckline. Full review

The Elixir UV Arm Sleeves

rated 4.5 of 5 stars Arm covers to protect you from the sun. Sun protection using lightweight arm sleeves that have numerous color choices. In the hot summer, a long sleeved shirt may make you feel too warm. While wearing a short sleeve shirt, the arm covers prevent sunburn and help keep your arms cool. In the shade, take them off it you want. They compress to a baseball size. I have another pair from a bike gear company that costs $30+ and liked them a lot. I looked online and found lots of black ones that seemed they… Full review

Helly Hansen LIFA Merino Pant

rated 4.5 of 5 stars An excellent base layer choice from a company that understands cold and wet weather. The HH LIFA Merino 2-layer construction keeps you warm and dry in all kinds of conditions, and feels great when wearing it. Watch out for the “athletic” fit when purchasing, but if you get the right fit this base layer will keep you comfortable in rain, sleet, and snow well below freezing. Note that this is a companion review with the Helly Hansen LIFA Merino 1/2 Zip top.Product Description Helly Hansen (HH)… Full review

Helly Hansen LIFA Merino 1/2 Zip

rated 4.5 of 5 stars An excellent base layer choice from a company that understands cold and wet weather. The HH LIFA Merino 2-layer construction keeps you warm and dry in all kinds of conditions, and feels great when wearing it. Watch out for the “athletic” fit when purchasing, but if you get the right fit this base layer will keep you comfortable in rain, sleet, and snow well below freezing. Note: This is a companion review along with the Helly Hansen LIFA Merino Pant. Product Description Helly Hansen (HH) LIFA… Full review

Fjallraven Bergtagen Longjohns

rated 5 of 5 stars The Fjallraven Bergtagen Long Johns is a base layer pant that utilizes wool in three different weaves to maximize heat retention in key areas (butt, groin) and breathability in others (thighs, calves). It’s a total home run of execution and since I received this base layer for testing I have worn nothing else. It’s exceptionally well tailored, durable, doesn’t stink on multi-day trips, and you’ll have no fear around a fire. The only possible negatives are more inherent to wool, than this… Full review

Fjallraven Bergtagen Woolmesh Sweater

rated 5 of 5 stars The Fjallraven Bergtagen Woolmesh Sweater is a base layer top that utilizes wool in three different weaves to maximize heat retention in key areas (chest, back) and breathability in others (stomach, underarms). It’s a total home run of execution and since I received this top for testing I have worn nothing else. It’s exceptionally well tailored, durable, doesn’t stink on multi-day trips, and you’ll have no fear around a fire. The only possible negatives are more inherent to wool, than this… Full review

Ridge Merino Inversion Heavyweight Crew

rated 5 of 5 stars A merino wool baselayer that is soft and warm. Perfect for cold-weather activities of all kinds. Fit and Comfort: Finally, a baselayer top that has a little extra length in the sleeves and torso and stays in place, no matter the activity. I’ve worn several merino products over the years and this is as comfortable as any that I’ve worn with a soft-to-the-skin and no-itch feeling. This top fits close but not restrictively tight to the body. The length of the torso and arms are both generous, meaning… Full review

Ridge Merino Inversion Heavyweight Bottoms

rated 4 of 5 stars A warm and comfortable pair of baselayer pants that work particularly well below freezing temps, but they do have sizing limitations. Fit and Comfort: At 6’2” and 190 lbs. (1.88m and 86.2 kg), I typically wear pants with a 31” or 32” waist and a 34” inseam. I tested a men’s medium size, due to its accurate waist size, realizing that the length might be slightly shorter than desired, according to the manufacturer’s sizing chart. In fact, I’d have to jump up two sizes to a men’s… Full review

Top-Rated Base Layers and Underwear

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

user rating: 4.5 of 5 (9)
ExOfficio Give-N-Go Boxer Brief Boxers, Briefs, Bikini
$17 - $30
user rating: 5 of 5 (2)
Icebreaker Oasis Long Sleeve Crewe Base Layer Top
$30 - $109
user rating: 5 of 5 (2)
Arc'teryx Rho LT Zip Neck Base Layer Top
$125
user rating: 5 of 5 (2)
Patagonia R1 Pants Base Layer Bottom
$119
user rating: 5 of 5 (2)
Smartwool Midweight Zip T Base Layer Top
$65 - $100
user rating: 5 of 5 (2)
Icebreaker Everyday Long Sleeve Crewe Base Layer Top
$35 - $70
user rating: 4.5 of 5 (3)
Smartwool Microweight Crew Base Layer Top
$40
user rating: 4.5 of 5 (3)
Smartwool Microweight Tee Base Layer Top
$36
user rating: 5 of 5 (1)
Patagonia Capilene 2 Lightweight Crew Base Layer Top
$36 - $49
user rating: 5 of 5 (1)
Smartwool Midweight Crew Base Layer Top
$60 - $95
user rating: 5 of 5 (1)
Icebreaker Siren Bra Sports Bra
$50
user rating: 5 of 5 (1)
ExOfficio Give-N-Go Lacy Bikini Boxers, Briefs, Bikini
$9 - $16
user rating: 5 of 5 (1)
Smartwool NTS Mid 250 Bottom Base Layer Bottom
$50 - $100
user rating: 5 of 5 (1)
Fjallraven Bergtagen Woolmesh Sweater Base Layer Top
$160
user rating: 5 of 5 (1)
Patagonia Capilene 3 Midweight Bottoms Base Layer Bottom
$28 - $59
user rating: 4.5 of 5 (1)
Patagonia Capilene Lightweight T-Shirt Base Layer Top
$25 - $39
user rating: 4.5 of 5 (1)
Craft Active Extreme 2.0 CN LS Top Base Layer Top
$80
user rating: 4.5 of 5 (1)
ExOfficio Give-N-Go Sport Mesh Brief Boxers, Briefs, Bikini
$18 - $26
user rating: 4.5 of 5 (1)
Patagonia Capilene Lightweight Bottoms Base Layer Bottom
$34 - $49
user rating: 4.5 of 5 (1)
Icebreaker Anatomica Brief Boxers, Briefs, Bikini
$35 - $40
user rating: 4.5 of 5 (1)
Airblaster Ninja Suit One-Piece Base Layer
$75 - $119
user rating: 4 of 5 (2)
Smartwool Midweight Bottom Base Layer Bottom
$60 - $95
user rating: 4 of 5 (2)
Marmot Midweight Zip LS Base Layer Top
$60
user rating: 4 of 5 (2)
Outdoor Research ActiveIce Sun Sleeves Arm or Leg Sleeves
$20 - $28
user rating: 4 of 5 (1)
SportHill Northwind Unders Boxers, Briefs, Bikini
$35 - $48
user rating: 4 of 5 (1)
ExOfficio Sol Cool Boxer Brief Boxers, Briefs, Bikini
$26 - $28
user rating: 4 of 5 (1)
Patagonia Capilene Daily T-Shirt Base Layer Top
$20 - $39
user rating: 4 of 5 (1)
Terramar Thermolator II Pant Base Layer Bottom
$15 - $26
user rating: 4 of 5 (1)
ExOfficio Give-N-Go Lacy Full Cut Brief Boxers, Briefs, Bikini
$17
user rating: 4 of 5 (1)
Icebreaker 200 Lightweight Legging Base Layer Bottom
$43
user rating: 3.5 of 5 (2)
ExOfficio Give-N-Go Boxer Boxers, Briefs, Bikini
$18 - $30
user rating: 3.5 of 5 (1)
Toad&Co Pacer Slim Long Sleeve Quarter Zip Base Layer Top
$49
user rating: 3 of 5 (2)
Icebreaker Oasis Crewe S/S Base Layer Top
$48 - $56
user rating: 2.5 of 5 (1)
Louis Garneau Arm Coolers Arm or Leg Sleeves
$30
Montane Primino 140 Long Janes Base Layer Bottom
$90
Minus33 Tecumseh Midweight 3/4 Bottoms Base Layer Bottom
$60
REI Lightweight Base Layer Half-Zip Base Layer Top
$30 - $39
L.L.Bean Cresta Wool Ultralight 150 Long-Sleeve Base Layer Top
$59
Patagonia Capilene Daily Boxers Boxers, Briefs, Bikini
$35
L.L.Bean Silk Underwear, Crewneck Base Layer Top
$55
Montane VIA Armguard Arm or Leg Sleeves
$35
Icebreaker Siren Bikini Boxers, Briefs, Bikini
$30
Patagonia Capilene 2 Lightweight V-Neck
$36
Outdoor Research Protector Sun Sleeves Arm or Leg Sleeves
$14
Patagonia Capilene 1 Crew Base Layer Top
$42 - $49
Patagonia Capilene 3 Midweight Crew Base Layer Top
$28 - $59
The North Face Warm Long-Sleeve Zip Neck Base Layer Top
$60
Patagonia Capilene Midweight Zip-Neck Base Layer Top
$48 - $69
Patagonia Capilene Thermal Weight Boot-Length Bottoms Base Layer Bottom
$85
Kenyon Polarskins Long Underwear Shirt - Lightweight Base Layer Top
$10 - $12
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