Base Layers and Underwear

Categories

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

Brands

ExOfficio
Patagonia
Arc'teryx
Marmot
SmartWool
Stoic
Icebreaker
Ibex
Mountain Hardwear
Polarmax

Genders

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 and above

Recent Base Layer Reviews

SmartWool Midweight Turtleneck

rated 5 of 5 stars Luxurious warmth!!!! WOW! I could just leave it at that but I will elaborate. I first bought the SmartWool NTS 250 bottoms, which I love, so when I saw this shirt on sale I couldn't resist. Although both the top and bottoms are NTS 250 the top is much thicker and sooooo soft. I like staying warm outdoors and this shirt has kept me just that! I wear it all winter and bring it along for all my hiking and camping endeavours in the summer as well. I usually sleep in it when I'm at higher elevations… 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

First Lite Chama Hoody

rated 5 of 5 stars My First Lite merino clothing keeps me comfortable in the cold mountain mornings and when I am hiking during the warmer parts of the day. Great for layering or for sleeping in on those cold nights. Pull the hood up, cinch it down for added warmth. The Chama Hoody is a versatile top. It can be used as a base layer on those cold hikes through the woods, or as a stand-alone sweater on those days where a jacket is too much. The hood, with its cinch string, is useful in a cool environment, but you will… 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

ExOfficio Give-N-Go Boxer Brief

rated 4.5 of 5 stars These might replace every pair of underwear you own. Okay, maybe not at $25 a pair, but they are comfortable, lightweight, incredibly fast at wicking away moisture and quick drying. Yep, they are that good. When I purchased my first pair of these in 2009, I would have said $25 is rather expensive for a pair of underwear and would have listed that as a con. Today, as I see other performance underwear being sold for $30-$50, I realize that $25 is reasonable and well worth the investment. If you're… Full review

Stoic Merino 200 Boxer Brief

rated 5 of 5 stars Superb. I wouldn't wear anything other than merino underwear for outdoor use year round and these are the best I've bought. I've tried Icebreaker (legs too short and fabric rides up) and SmartWool (not bad).  Good midweight fabric here and grips the legs well, but not constrictive in the groin. Full review

Adidas Sport Performance Flex 360 Boxer Brief

rated 5 of 5 stars Let's talk about my underwear. Awkward, right? OK, let's talk about chaffing. Yea, not any better is it? On the other hand, there really isn't a lot of information available on this touchy and very important subject. So guys, here's my effort to weigh in on the subject with an outstanding option to help solve the issue. Summary:  The Adidas flex360 Sport Performance Boxer Brief is comfortable and highly functional as it flexes to your body shape while (1) providing proper male athletic support,… Full review

ExOfficio Give-N-Go Boxer Brief

rated 5 of 5 stars Only boxer briefs to wear while being active. Best underwear for the outdoors! I wear them hiking, camping, and under my board shorts. They dry fast and even after a few days in Yosemite they kept their shape and didn't stink. Full review

Under Armour Original Series 9-inch Boxerjock

rated 4 of 5 stars Comfortable, functional, and durable underwear for most sport activities. Light breathable fabric wicks moisture and dries well. Extended leg provides extended friction protection. The Under Armour Boxerjock came highly recommended for backpacking from several sources. I was a bit taken aback when I first saw the price. The idea of $20 underwear seemed a bit absurd to me and I made more than a few jokes. Still, as a cyclist I was well aware of the value in wearing the right gear to protect sensitive… Full review

Top-Rated Base Layers and Underwear

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

ExOfficio Give-N-Go Boxer Brief
user rating: 5 of 5 (5)
ExOfficio
Give-N-Go Boxer Brief
Boxers, Briefs, Bikini
$18 - $26
Patagonia Capilene 2 Lightweight Zip-Neck
user rating: 5 of 5 (3)
Patagonia
Capilene 2 Lightweight Zip-Neck
Base Layer Top
$28 - $55
Arc'teryx Rho LT Zip
user rating: 5 of 5 (2)
Arc'teryx
Rho LT Zip
Base Layer Top
$53 - $119
Marmot Lightweight Crew LS
user rating: 5 of 5 (2)
Marmot
Lightweight Crew LS
Base Layer Top
$30
Marmot Midweight Bottom
user rating: 5 of 5 (2)
Marmot
Midweight Bottom
Base Layer Bottom
$30
Patagonia Merino 2 Lightweight Crew
user rating: 5 of 5 (2)
Patagonia
Merino 2 Lightweight Crew
Base Layer Top
$45 - $90
Patagonia Capilene 4 Expedition Weight Zip-Neck
user rating: 5 of 5 (2)
Patagonia
Capilene 4 Expedition Weight Zip-Neck
Base Layer Top
$50 - $99
Patagonia R1 Pants
user rating: 5 of 5 (2)
Patagonia
R1 Pants
Base Layer Bottom
$79 - $99
SmartWool Midweight Zip T
user rating: 5 of 5 (2)
SmartWool
Midweight Zip T
Base Layer Top
$45 - $105
Stoic Alpine Merino 150 Crew - Long-Sleeve
user rating: 5 of 5 (2)
Stoic
Alpine Merino 150 Crew - Long-Sleeve
Base Layer Top
$47
Icebreaker 260 Midweight LS Crewe
user rating: 4.5 of 5 (4)
Icebreaker
260 Midweight LS Crewe
Base Layer Top
$20 - $68
SmartWool Microweight Crew
user rating: 4.5 of 5 (3)
SmartWool
Microweight Crew
Base Layer Top
$45 - $80
SmartWool Microweight Tee
user rating: 4.5 of 5 (3)
SmartWool
Microweight Tee
Base Layer Top
$28 - $75
Stoic Merino Bliss Shirt - Long-Sleeve
user rating: 4.5 of 5 (2)
Stoic
Merino Bliss Shirt - Long-Sleeve
Base Layer Top
$63
Icebreaker 260 Midweight Tech Top
user rating: 5 of 5 (1)
Icebreaker
260 Midweight Tech Top
Base Layer Top
$55
Icebreaker Oasis Long Sleeve Crewe
user rating: 5 of 5 (1)
Icebreaker
Oasis Long Sleeve Crewe
Base Layer Top
$54 - $100
Patagonia Capilene 2 Lightweight Crew
user rating: 5 of 5 (1)
Patagonia
Capilene 2 Lightweight Crew
Base Layer Top
$22 - $49
Ibex Balance Briefs
user rating: 5 of 5 (1)
Ibex
Balance Briefs
Base Layer Bottom
$30
Mountain Hardwear Power Stretch Zip T
user rating: 5 of 5 (1)
Mountain Hardwear
Power Stretch Zip T
Base Layer Top
$34 - $41
Polarmax Tech Silk Crew
user rating: 5 of 5 (1)
Polarmax
Tech Silk Crew
Base Layer Top
$16 - $19
SmartWool Midweight Crew
user rating: 5 of 5 (1)
SmartWool
Midweight Crew
Base Layer Top
$33 - $95
Patagonia Capilene 1 Silkweight Scoop
user rating: 5 of 5 (1)
Patagonia
Capilene 1 Silkweight Scoop
Base Layer Top
$19 - $33
SmartWool Midweight Turtleneck
user rating: 5 of 5 (1)
SmartWool
Midweight Turtleneck
Base Layer Top
$84
Helly Hansen Fly Pant
user rating: 5 of 5 (1)
Helly Hansen
Fly Pant
Base Layer Bottom
$40
Terramar Hot Totties Grid Fleece Tights
user rating: 5 of 5 (1)
Terramar
Hot Totties Grid Fleece Tights
Base Layer Bottom
$27 - $28
Stoic Merino 200 Boxer Brief
user rating: 5 of 5 (1)
Stoic
Merino 200 Boxer Brief
Boxers, Briefs, Bikini
$36
SmartWool NTS Mid 250 Bottom
user rating: 5 of 5 (1)
SmartWool
NTS Mid 250 Bottom
Base Layer Bottom
$95 - $100
Marmot Lightweight Bottom
user rating: 5 of 5 (1)
Marmot
Lightweight Bottom
Base Layer Bottom
$28 - $84
SmartWool Midweight Hoody
user rating: 5 of 5 (1)
SmartWool
Midweight Hoody
Base Layer Top
$75
Marmot Midweight Crew LS
user rating: 5 of 5 (1)
Marmot
Midweight Crew LS
Base Layer Top
$30
Patagonia Capilene 3 Midweight Bottoms
user rating: 5 of 5 (1)
Patagonia
Capilene 3 Midweight Bottoms
Base Layer Bottom
$15 - $55
SmartWool Lightweight Zip T
user rating: 4 of 5 (4)
SmartWool
Lightweight Zip T
Base Layer Top
$47 - $99
Icebreaker 150 Ultralite LS Atlas
user rating: 4.5 of 5 (1)
Icebreaker
150 Ultralite LS Atlas
Base Layer Top
$45
SmartWool Microweight Bottom
user rating: 4.5 of 5 (1)
SmartWool
Microweight Bottom
Base Layer Bottom
$55 - $75
Patagonia Capilene 2 Lightweight T-Shirt
user rating: 4.5 of 5 (1)
Patagonia
Capilene 2 Lightweight T-Shirt
Base Layer Top
$22 - $45
Icebreaker Anatomica Brief
user rating: 4.5 of 5 (1)
Icebreaker
Anatomica Brief
Boxers, Briefs, Bikini
$22 - $29
SmartWool Midweight Funnel Zip
user rating: 4.5 of 5 (1)
SmartWool
Midweight Funnel Zip
Base Layer Top
$86 - $115
Kenyon Power Stretch Baselayer Bottoms
user rating: 4.5 of 5 (1)
Kenyon
Power Stretch Baselayer Bottoms
Base Layer Bottom
$35 - $44
Patagonia Merino 3 Midweight Crew
user rating: 4.5 of 5 (1)
Patagonia
Merino 3 Midweight Crew
Base Layer Top
$51 - $115
Icebreaker GT 200 L/S Chase Zip
user rating: 4.5 of 5 (1)
Icebreaker
GT 200 L/S Chase Zip
Base Layer Top
$77
SmartWool Midweight Bottom
user rating: 4 of 5 (2)
SmartWool
Midweight Bottom
Base Layer Bottom
$47 - $95
Marmot Midweight Zip LS
user rating: 4 of 5 (2)
Marmot
Midweight Zip LS
Base Layer Top
$30 - $42
Terramar SmartSilk Tights
user rating: 4 of 5 (2)
Terramar
SmartSilk Tights
Base Layer Bottom
$45
Terramar Thermolator II Pant
user rating: 4 of 5 (1)
Terramar
Thermolator II Pant
Base Layer Bottom
$18
Stoic Breathe Composite Bottom
user rating: 4 of 5 (1)
Stoic
Breathe Composite Bottom
Base Layer Bottom
$49
ExOfficio Give-N-Go Lacy Full Cut Brief
user rating: 4 of 5 (1)
ExOfficio
Give-N-Go Lacy Full Cut Brief
Boxers, Briefs, Bikini
$12 - $21
Under Armour Original Series 9-inch Boxerjock
user rating: 4 of 5 (1)
Under Armour
Original Series 9-inch Boxerjock
Boxers, Briefs, Bikini
$20
Ibex Zepher Zip T-Neck
user rating: 4 of 5 (1)
Ibex
Zepher Zip T-Neck
Base Layer Top
$80 - $114
Patagonia Merino 2 Lightweight T-Shirt
user rating: 4 of 5 (1)
Patagonia
Merino 2 Lightweight T-Shirt
Base Layer Top
$40 - $80
Icebreaker 200 Lightweight Legging
user rating: 4 of 5 (1)
Icebreaker
200 Lightweight Legging
Base Layer Bottom
$58 - $72
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