Base Layers and Underwear

Category

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

Brand

ExOfficio
REI
Polarmax
Patagonia
Arc'teryx
Smartwool
Under Armour
Moving Comfort
Coldpruf
Terramar

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

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

Toad&Co Pacer Slim Long Sleeve Quarter Zip

rated 3.5 of 5 stars A versatile garment from a philanthropically-minded company that strikes a compromise between backcountry base layer and in-town casual wear. With grime-concealing colors and a poly-wool blend, the Pacer Quarter Zip is a thermoregulating, moisture-wicking, low-odor option for travelers with limited wardrobe space and for anyone who doesn't mind giving up some performance or style for a garment that offers a viable trail-to-town option. A Trail-to-Town Quarter Zip The Toad & Co. Pacer Slim Long… Full review

Helly Hansen Women's HH Wool LS Crew

rated 3.5 of 5 stars Sturdy, warm, and straightforward. This is not the most comfortable wool base layer out there, but it performs beautifully in terms of fit, warmth, and durability. This top is well made and will keep you warm. No bells, no whistles. Fit & Comfort - Fit in arms, shoulders, and torso is true to size, keeping in mind that the desired fit of this top is very snug. I'd recommend trying it on before buying if you have concerns about the sizing. The wool was fine on my skin, but other backpackers found… Full review

Smartwool Men's NTS Mid 250 Hoody

rated 5 of 5 stars One of my favorite pieces of clothing. Perfect balance of warmth, comfort, and style. This is one of my favorite pieces of clothing. I wear it all the time. It fits just right. Not too tight, not too loose. Feels comfortable against the skin and breathes well.  I'm 6'2" 225 lbs. and the XL was perfect. It is plenty long in the sleeves and torso. Stretchy, but not constricting. I have used it both as a base layer and as a standalone top in milder weather. It layers well. The hood is a little loose,… Full review

Top-Rated Base Layers and Underwear

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

user rating: 4 of 5 (1)
ExOfficio Give-N-Go Lacy Full Cut Brief Boxers, Briefs, Bikini
$7 - $16
REI Heavyweight Half-Zip Long Underwear Top Base Layer Top
$9
ExOfficio Give-N-Go Bikini Brief Boxers, Briefs, Bikini
$10 - $25
ExOfficio Give-N-Go Lacy Low Rise Bikini Boxers, Briefs, Bikini
$10 - $14
REI Mesh MTS Briefs Base Layer Bottom
$11
Polarmax Maxride Pants Base Layer Bottom
$11 - $14
ExOfficio Give-N-Go Full Cut Brief Boxers, Briefs, Bikini
$11 - $20
Patagonia Barely Hipster Boxers, Briefs, Bikini
$11 - $22
Patagonia Barely Thong Boxers, Briefs, Bikini
$11 - $22
ExOfficio Give-N-Go String Bikini Boxers, Briefs, Bikini
$12 - $25
Arc'teryx Phase AR Bottom Base Layer Bottom
$12 - $90
ExOfficio Give-N-Go Sport Brief Boxers, Briefs, Bikini
$12 - $19
Patagonia Active Hipster Boxers, Briefs, Bikini
$12 - $24
Patagonia Active Briefs Boxers, Briefs, Bikini
$12 - $24
ExOfficio Give-N-Go Shelf Bra Camisole Sports Bra
$12 - $25
REI Mesh MTS Boxer Briefs Base Layer Bottom
$13
REI Mesh MTS Boxers Base Layer Bottom
$13
ExOfficio Give-N-Go Brief Boxers, Briefs, Bikini
$13 - $25
user rating: 4.5 of 5 (1)
ExOfficio Give-N-Go Sport Mesh Brief Boxers, Briefs, Bikini
$13 - $26
Patagonia Capilene Bottom Base Layer Bottom
$13
Smartwool Microweight Thong Boxers, Briefs, Bikini
$13
Patagonia Barely Bikini Boxers, Briefs, Bikini
$13 - $22
user rating: 5 of 5 (1)
ExOfficio Give-N-Go Lacy Bikini Boxers, Briefs, Bikini
$13 - $16
Under Armour Original Series 6-inch Boxerjock Boxers, Briefs, Bikini
$14 - $20
Polarmax Maxride Crew Base Layer Top
$14
ExOfficio Give-N-Go Lacy Thong Boxers, Briefs, Bikini
$14
Patagonia Active Boy Short Boxers, Briefs, Bikini
$14 - $29
Patagonia Capilene Daily Boxer Briefs Boxers, Briefs, Bikini
$14 - $29
Smartwool PhD Seamless Bikini Boxers, Briefs, Bikini
$14 - $32
ExOfficio Give-N-Go Tank Top Base Layer Top
$15 - $30
Moving Comfort Rebound Racer Sports Bra
$15 - $50
Coldpruf Platinum Crew Base Layer Top
$15
user rating: 4 of 5 (1)
Terramar Thermolator II Pant Base Layer Bottom
$15 - $17
MyPakage Weekday Boxer Brief Boxers, Briefs, Bikini
$15 - $21
Marmot ThermalClime Pro LS Crew Base Layer Top
$15 - $24
 
Polarmax Tech Silk Boxer Boxers, Briefs, Bikini
$15
ExOfficio Give-N-Go Cross Over Bra Sports Bra
$16 - $25
Smartwool PhD Compression Calf Sleeve Arm or Leg Sleeves
$16 - $27
user rating: 4.5 of 5 (9)
ExOfficio Give-N-Go Boxer Brief Boxers, Briefs, Bikini
$16 - $29
Moving Comfort Workout Bikini Boxers, Briefs, Bikini
$16 MSRP
Icebreaker Oasis Long Sleeve Half Zip Hood Base Layer Top
$17
Terramar Silk Pointelle Scoop Base Layer Top
$17
Polarmax Double Base Layer Pant Base Layer Bottom
$17 - $22
L.L.Bean Wicked Warm Midweight Underwear, Top Base Layer Top
$17
L.L.Bean Wicked Warm Midweight Underwear, Pants Base Layer Bottom
$17
Marmot ThermalClime Pro Tight Base Layer Bottom
$17 - $29
user rating: 3.5 of 5 (2)
ExOfficio Give-N-Go Boxer Boxers, Briefs, Bikini
$18 - $29
Icebreaker Siren Bikini Boxers, Briefs, Bikini
$18 - $30
Mammut Go Dry Boxer Boxers, Briefs, Bikini
$18
Polarmax Double Base Layer Crew Base Layer Top
$18 - $23
Page 1 of 20:  1  2  3  4  5  6  7  8  9  Next »