Base Layer Bottoms

Brands

Marmot
Patagonia
Ibex
Helly Hansen
Terramar
SmartWool
Kenyon
Icebreaker
REI
Minus33

Genders

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

Price

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

Recent Base Layer Bottom Reviews

Avalanche Wear Mogul Pant

rated 5 of 5 stars These pants are incredible. I've worn and washed them 100 times and they still look and feel new. These pants are INCREDIBLE. I have washed and worn them 100 times. Not only have I been wearing them as a base layer under my ski pants but I wear their legging style all winter. Since I live in leggings all year these are perfect for winter because they have a fleece lining and I swear they are wind block (even though I don't think they are). Anyway, I have been reading about other people's pants pilling,… Full review

Avalanche Wear Mogul Pant

rated 1.5 of 5 stars Do not pay full price! These are very warm, and have a great athletic look. But the inner thigh started to pill after just a few hours of moderate activity. I'm 5 feet tall, 118 pounds, usually wear a size 6, and the small fit great after I hemmed them 4 inches. But because of the pulling, they are for only around the house now. Not that anyone is looking at my crotch to see the pilling, but still. Glad I had an extra 35% off at STP, because I would have been livid if I had paid full price. But… Full review

RedRam Merino Legging

rated 4 of 5 stars From what I can tell, these are made from Icebreakers' 150 Merino wool. They're thinner than any of my other wool leggings, but they feel great night after night, and while cycling through the mountains in early autumn. I purchased both a small and medium of these leggings recently, and ended up sticking with the medium (29-inch waist, 35-inch inseam). I've been a huge proponent of Merino wool for years, and have worn my SmartWool women's medium black leggings every day for months at a time over… Full review

SmartWool Women's Midweight Bottom

rated 3.5 of 5 stars SmartWool bottoms keep you toasty but don't itch like most wools. They are durable and machine washable. And they don't retain odor like capeliene material. Love my SmartWool thermals. They keep me toasty warm and are the only wool I can wear that doesn't itch me. They are machine washable and hold up really well. After a few days of wearing they do begin to stretch in certain areas. They do a much better job at not retaining odor (unlike Patagonia's Capilene material - yuck!).  Full review

Terramar Men's SmartSilk Tights

rated 3 of 5 stars Initial Review: These base layer bottoms are a very good skin tight fit, without the feel of compression. Waistline is a little weird, the inner elastic can fold inside the outer. I found the product to have begun pilling before the first wash...? Overall durability is a concern. If they last, I will happily rate this product to at least four stars. Medium is a great fit for slim built 5'10" 155lbs. I recently received this base layer as a giveaway, THANK YOU, Trailspace!!! This is an initial review... … Full review

Terramar Hot Totties Fleece Heavy Footy Performance Leggings

rated 2.5 of 5 stars Wonderfully soft and fuzzy inside with a smooth, silky feel outside. Unfortunately, the tights run VERY short! Wonderfully soft and fuzzy inside with a smooth, silky feel outside.  However, I am severely disappointed - I am 5' 4.5", 130 pounds with a 30 inch inseam.  I purchased these in a size Medium and they run short! I really had to tug to get the crotch up where it should be and it is still about 1/2" shy. Moreover, my toes now feel like they are being pinched due to the tights being pulled… Full review

Terramar Hot Totties Grid Fleece Tights

rated 5 of 5 stars So warm and comfortable. I love these for lounging around or trekking out in the snow. Great as a base layer under pants or with a skirt or dress. I have two of the grid fleece hoodies as well. The warmest, coziest, most snuggley base layer ever! <3 Full review

Icebreaker Men's 200 Lightweight Legging

rated 4 of 5 stars Very good product ;) This product is good for skiing and cycling and hiking. I have washed it many times, but it is holding up very well.  I have the Icebreaker Men's 200 top as well and it is holding up better than expected.  I have had both of these products for many years and I wear them for 3-to-4 months and I have no complaints.   You do have to worry about bugs eating your very expensive undergarments and rodents. These are wool, so moths and such will eat them and when I was in Vietnam… Full review

Under Armour Women's ColdGear Fitted Legging

rated 4.5 of 5 stars Warm and comfortable coldgear. Worth the money, I wear them every time I go out hiking in the winter. I have had them for a couple years and they are still like new. Under Armour holds up to expectations with these leggings, keeps you nice and warm. The ones I have, have zippers on the bottoms which are convenient but can be irritating with some boots.  They run small, I have a medium and they are tight, when I'm usually a small/medium, size 5 or 7 jeans. There are no adjustments for the size,… Full review

Top-Rated Base Layer Bottoms

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Marmot Midweight Bottom
user rating: 5 of 5 (2)
Marmot
Midweight Bottom
$30
Patagonia R1 Pants
user rating: 5 of 5 (2)
Patagonia
R1 Pants
$99
Ibex Balance Briefs
user rating: 5 of 5 (1)
Ibex
Balance Briefs
$24 - $29
Helly Hansen Fly Pant
user rating: 5 of 5 (1)
Helly Hansen
Fly Pant
$26 - $39
Terramar Hot Totties Grid Fleece Tights
user rating: 5 of 5 (1)
Terramar
Hot Totties Grid Fleece Tights
$27 - $28
Marmot Lightweight Bottom
user rating: 5 of 5 (1)
Marmot
Lightweight Bottom
$28 - $74
Patagonia Capilene 3 Midweight Bottoms
user rating: 5 of 5 (1)
Patagonia
Capilene 3 Midweight Bottoms
$15 - $55
SmartWool Microweight Bottom
user rating: 4.5 of 5 (1)
SmartWool
Microweight Bottom
$60 - $75
Kenyon Power Stretch Baselayer Bottoms
user rating: 4.5 of 5 (1)
Kenyon
Power Stretch Baselayer Bottoms
$35 - $44
SmartWool Midweight Bottom
user rating: 4 of 5 (2)
SmartWool
Midweight Bottom
$47 - $95
Terramar SmartSilk Tights
user rating: 4 of 5 (2)
Terramar
SmartSilk Tights
$45
Terramar Thermolator II Pant
user rating: 4 of 5 (1)
Terramar
Thermolator II Pant
$19
Icebreaker 200 Lightweight Legging
user rating: 4 of 5 (1)
Icebreaker
200 Lightweight Legging
$58 - $72
Terramar Thermawool Pant
Terramar
Thermawool Pant
$36 - $39
REI Midweight Space Dye Tights
REI
Midweight Space Dye Tights
$47
Minus33 Tecumseh Midweight 3/4 Bottoms
Minus33
Tecumseh Midweight 3/4 Bottoms
$51 - $59
The North Face Expedition Tight
The North Face
Expedition Tight
$31
L.L.Bean Polartec Power Dry Base Layer, Pants Lightweight
L.L.Bean
Polartec Power Dry Base Layer, Pants Lightweight
$20
L.L.Bean Power Dry Stretch Base Layer, Lightweight Pants
L.L.Bean
Power Dry Stretch Base Layer, Lightweight Pants
$30 - $34
Patagonia Merino 3 Midweight Bottoms
Patagonia
Merino 3 Midweight Bottoms
$58 - $115
SmartWool The Tight II
SmartWool
The Tight II
$38 - $46
Patagonia Merino 3 Midweight Boot-Top Bottoms
Patagonia
Merino 3 Midweight Boot-Top Bottoms
$89 - $115
REI Lightweight MTS Polartec Power Dry Bottoms
REI
Lightweight MTS Polartec Power Dry Bottoms
$35
Terramar Filament Silk Pant
Terramar
Filament Silk Pant
$45
Burton Expediton Pant
Burton
Expediton Pant
$70
Patagonia Merino 2 Lightweight Bottoms
Patagonia
Merino 2 Lightweight Bottoms
$49 - $90
Polarmax Quattro Fleece Pant
Polarmax
Quattro Fleece Pant
$30 - $49
Polarmax Tech Silk Pant
Polarmax
Tech Silk Pant
$20
Hot Chillys Micro-Elite Chamois Bottom
Hot Chillys
Micro-Elite Chamois Bottom
$55
Komperdell BC-Flex Fleece Long Underwear Bottoms
Komperdell
BC-Flex Fleece Long Underwear Bottoms
$60
Ibex Woolies 220 Bottom
Ibex
Woolies 220 Bottom
$95
Helly Hansen HH Dry 3/4 Pant
Helly Hansen
HH Dry 3/4 Pant
$40 - $44
Icebreaker Vertex Leggings
Icebreaker
Vertex Leggings
$99 - $109
Icebreaker Oasis Legless
Icebreaker
Oasis Legless
$80
Helly Hansen HH Dry Pant
Helly Hansen
HH Dry Pant
$14 - $39
Stio Basis Stretch Merino Tight
Stio
Basis Stretch Merino Tight
$95
Mammut All-Year Pants
Mammut
All-Year Pants
$30
Icebreaker 260 Midweight Express Legging
Icebreaker
260 Midweight Express Legging
$110
L.L.Bean Cresta Wool Base Layer, Pants Lightweight
L.L.Bean
Cresta Wool Base Layer, Pants Lightweight
$20
Columbia Baselayer Midweight Tight
Columbia
Baselayer Midweight Tight
$24 - $39
Columbia Extreme Fleece Tight
Columbia
Extreme Fleece Tight
$50 - $52
Peak Performance Heli Mid Tight
Peak Performance
Heli Mid Tight
$50
Mammut All-Year 3/4 Pant
Mammut
All-Year 3/4 Pant
$27
Icebreaker Sprite Legging
Icebreaker
Sprite Legging
$75
L.L.Bean Power Dry Stretch Base Layer, Midweight Pants
L.L.Bean
Power Dry Stretch Base Layer, Midweight Pants
$40 - $44
Mammut 3/4 Warm-Quality Bottom
Mammut
3/4 Warm-Quality Bottom
$35
Burton Luxury Midweight Bottoms
Burton
Luxury Midweight Bottoms
$24
Mammut Go Dry Pants 3/4
Mammut
Go Dry Pants 3/4
$30 - $44
Helly Hansen HH Warm Pant
Helly Hansen
HH Warm Pant
$52 - $84
Salomon Lightweight Tights
Salomon
Lightweight Tights
$20
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