Base Layer Bottoms


Avalanche Wear
Under Armour
Eddie Bauer




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

Recent Base Layer Bottom Reviews

Patagonia Men's Merino Air Bottoms

rated 5 of 5 stars The Patagonia Merino Air Bottoms exceeded my expectations. Game changing merino-synthetic fabric with no seams and effortless stretch. Material that breathes, holds heat, and moves water away from your skin as you heat up. Patagonia is one of the companies that other brands hate and simultaneously wish they could be.  The Merino Air Bottoms are made from recycled polyester and merino wool (the stuff men's suits are made of) grown in Patagonia.  I used to think that no single baselayer material… Full review

Avalanche Wear Mogul Pant

rated 5 of 5 stars Most comfortable pants EVER. Bought a pair of these last week and I really don't want to wear anything else now. The fit is excellent and form flattering. The outer material is smooth polyester and seems to block wind as a previous reviewer mentioned. The inside is soft cozy fleece. Not sure if the waistband has elastic or what, but it is padded for comfort and hugs your waist without pinching at all. The zip pocket is a great size and large enough to carry credit cards, tissues, lip balm, etc. Full review

Coldpruf Men's Platinum Pants

rated 5 of 5 stars Best bang for the buck in long underwear. Perfectly comfortable, durable, warm, and air dry fast. Bought mine from Campmor. Reordered more when I realized how good they were. Made next door in Mexico. Full review

SmartWool Women's NTS Mid 250 Bottom

rated 5 of 5 stars These are without a doubt the best long johns I have ever owned! I am 5'7", 125lbs and I bought the mediums. They fit like a glove (well literally as they are next to skin). So comfy and non restricting, you barely notice you have them on. I did a lot of research in my quest for super warm long johns and came to the conclusion that wool was going to be the warmest. I am not disappointed. The waistband is wider so they don't roll down as some other brands do. I love being outdoors but don't like… Full review

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

Top-Rated Base Layer Bottoms

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user rating: 5 of 5 (1)
Patagonia Merino Air Bottoms reviewed Nov 9, 2015
user rating: 4 of 5 (3)
Avalanche Wear Mogul Pant reviewed Oct 7, 2015
user rating: 5 of 5 (1)
SmartWool NTS Mid 250 Bottom reviewed Sep 29, 2014
$76 - $95
user rating: 4 of 5 (1)
RedRam Merino Legging reviewed Oct 5, 2013
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)
Icebreaker 200 Lightweight Legging reviewed Feb 7, 2013
$42 - $60
user rating: 5 of 5 (2)
Under Armour ColdGear Fitted Legging reviewed Feb 6, 2013
$50 MSRP
user rating: 4 of 5 (1)
Terramar Thermolator II Pant reviewed Feb 6, 2013
$17 - $28
user rating: 4 of 5 (2)
Terramar SmartSilk Tights reviewed Mar 7, 2013
$60 MSRP
user rating: 4.5 of 5 (1)
Eddie Bauer First Ascent Midweight Baselayer Pants reviewed Jan 28, 2011
$45 MSRP
user rating: 4.5 of 5 (1)
Kenyon Power Stretch Baselayer Bottoms reviewed Nov 4, 2010
user rating: 0 of 5 (1)
Under Armour ColdGear Metal Legging reviewed Oct 25, 2010
user rating: 5 of 5 (1)
Under Armour ColdGear Frosty Tight reviewed Dec 20, 2009
user rating: 5 of 5 (1)
Haglofs Bungy Q Tights reviewed Dec 7, 2008
user rating: 4 of 5 (1)
REI Heavyweight MTS Bottoms reviewed Oct 17, 2008
$35 MSRP
user rating: 5 of 5 (1)
Helly Hansen Fly Pant reviewed Jun 15, 2008
$22 - $39
user rating: 4 of 5 (1)
Isis Wool Tight reviewed Oct 15, 2007
user rating: 5 of 5 (1)
Sugoi Global Tight reviewed Jan 18, 2007
user rating: 5 of 5 (2)
Marmot Midweight Bottom reviewed Jul 11, 2012
user rating: 5 of 5 (2)
Patagonia R1 Pants reviewed Feb 29, 2012
user rating: 5 of 5 (1)
Patagonia Capilene 3 Midweight Bottoms reviewed Jan 19, 2013
$21 - $59
user rating: 4.5 of 5 (1)
SmartWool Microweight Bottom reviewed Feb 23, 2012
$38 - $75
user rating: 4 of 5 (2)
SmartWool Midweight Bottom reviewed Sep 23, 2013
$52 - $95
user rating: 4 of 5 (1)
Stoic Breathe Composite Bottom reviewed Nov 1, 2012
$27 - $31
Ibex Woolies 150 Bottom
$60 - $79
Terramar Thermawool Pant
REI Midweight Space Dye Tights
Sugoi SubZero Tight
Minus33 Tecumseh Midweight 3/4 Bottoms
Bergans Fjellrapp Tights
L.L.Bean Power Dry Stretch Base Layer, Lightweight Pants
$30 - $34
Patagonia Merino 3 Midweight Bottoms
$69 - $115
Patagonia Capilene Thermal Weight Boot-Length Bottoms
Terramar Filament Silk Pant
Patagonia Merino 2 Lightweight Bottoms
$45 - $90
SAXX Blacksheep Long John Fly
Polarmax Quattro Fleece Pant
$30 - $39
Polarmax Tech Silk Pant
$20 - $24
Hot Chillys Micro-Elite Chamois Bottom
$38 - $54
Helly Hansen HH Dry 3/4 Pant
Icebreaker Vertex Leggings
$75 - $110
Icebreaker Oasis Legless
$5 - $79
Helly Hansen HH Dry Pant
Stio Basis Stretch Merino Tight
$81 - $97
L.L.Bean Cresta Wool Base Layer, Pants Lightweight
DaKine Quick Draw Pant
Columbia Baselayer Midweight Tight
Stoic Merino Bottom - Full-Length
$45 - $52
Columbia Heavyweight Tight w/Fly
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