Skip to content
Skip to navigation
Buy now, pay later. Learn more.
Spend and save: limited time only >
See our 2024 sustainability initiatives >
Spring savings: up to 60% off >
Français
Account
Help
Cart
Deals
New arrivals
Gear
Women
Men
Kids
Footwear
Brands
About us
Hike & camp
Water
Climb
Cycle
Run & fitness
Travel
Packs
Electronics
Snowsports
Home
Products
Clothing
Base layers and underwear
Underwear
Category
View all
Clothing
(21)
Base layers and underwear
(21)
Underwear
(21)
Sports bras
(7)
Briefs and boxers
(2)
Swimwear
(1)
Run and fitness
(3)
Watersports
(1)
Current Offers
clearance
14
new
6
More
Gender
womens
59
mens
10
More
Brand
Tilley
19
Patagonia
18
Huha
9
MEC
7
Smartwool
4
Boody
3
More
Ideal for
Camping and hiking
5
Travel
8
Casual wear
41
Day hiking
6
Everyday use
28
Fitness and training
29
Yoga and fitness
16
Running
8
Yoga
8
Office and school
3
More
Price
All
Under $25.00
$25.00 - $50.00
$50.00 - $100.00
$100.00 - $200.00
$200.00 - $500.00
$500.00 - $1,000.00
$1,000.00 - $2,500.00
$2,500.00 & Up
$
-
$
Go
Customer Rating
(3)
(2)
(2)
(1)
(1)
Clear
Colour
Show colour information
Clear
Features
Adjustable straps
15
Adjustable closure
12
Removable cups
5
Antimicrobial treatment
2
Reversible
1
More
categories.lvl1
More
categories.lvl2
More
categories.lvl3
More
categories.lvl4
More
categories.lvl5
More
categories.lvl6
More
categories.lvl7
More
Men's Shoe Size
More
Women's Shoe Size
More
Men's Clothing Sizes
Large
3
Medium
3
Small
3
X-Large
1
More
Women's Clothing Sizes
Medium
21
Large
18
Small
14
X-Large
9
X-Small
3
X-Small/Small
2
XX-Large
1
XXX-Large
1
More
Product sustainability
Organically grown content
24
Recycled content
21
Certified Fair Trade
17
Preferred Lyocell
12
Bluesign® Approved Material
8
Responsible wool
3
Fair Trade Certified
2
More
discount
30-39%
7
40-49%
7
More
See results
Underwear
Showing 21 results
Filter
Sort by
Popularity
Price: Low to high
Price: High to low
Top rated
gender:
mens
✕
womens
✕
(3)
Huha Brief - Women's
$27.95
Compare
(0)
Boody Lyolyte Hipster Bikini - Women's
$21.95
Compare
SAVE 40%
(2)
Smartwool Intraknit Racerback Bra - Women's
$47.94
$79.95
Compare
SAVE 40%
(29)
Smartwool Intraknit Strappy Bra - Women's
$50.94
$84.95
Compare
SAVE 31%
(0)
Prana Willow Falls Reversible Top - Women's
$65.94
$94.95
Compare
(63)
icebreaker Siren Thong - Women's
$37.95
Compare
SAVE 42%
(0)
Kari Traa Ness Hipster - Women's
$14.94
$25.95
Compare
SAVE 40%
(0)
Kari Traa Froya Hipster - Women's
$26.94
$44.95
Compare
SAVE 30%
(11)
Patagonia Barely Hipster Underwear - Women's
$20.30
$29.00
Compare
NEW
(0)
Merrell x Sweaty Betty Ascend Power Bra - Women's
$89.95
Compare
(0)
Tilley Airflo Bralette - Women's
$39.95
Compare
(1)
Tilley Organic Cotton 2-Pack High Rise - Women's
$31.95
Compare
(0)
Tilley Organic Cotton 2-Pack Bikini - Women's
$31.95
Compare
(0)
Tilley Organic Cotton 2-Pack Thong - Women's
$31.95
Compare
(3)
Huha Bikini - Women's
$27.95
Compare
NEW
(0)
Patagonia Live Simply Bra - Women's
$69.00
Compare
(0)
Patagonia Maipo Low Impact Adjustable Bra - Women's
$75.00
Compare
(2)
Tilley Organic Boxer Brief - Men's
$25.95
Compare
(1)
MEC x BN3TH Merino Wool Boxer Brief - Men's
$64.95
Compare
SAVE 30%
(0)
MEC x BN3TH Pro Ionic Boxer Briefs - Men's
$27.97
$39.95
Compare
(0)
Patagonia Live Simply Bra - Women's
$69.00
Compare
‹
1
›
Compare (0)
Remove all
Compare