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Underwear Bottoms

Discover our Underwear Bottoms collection, offering comfort and support for everyday wear and outdoor activities. Designed with breathable fabrics and a perfect fit, these bottoms keep you comfortable during any adventure. Find your ideal pair for all-day comfort..

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58 products
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Filter
58 products
FeaturedBest sellingAlphabetically, A-ZAlphabetically, Z-APrice, low to highPrice, high to lowDate, old to newDate, new to old
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Quick buy
ICEBREAKER
Merino Blend 125 ZoneKnit™ Boxers (Men's) - IB0A577E
$70.00
S M L XL
ALLOY
Merino Blend 125 ZoneKnit™ Boxers (Men's) - IB0A577E
 CAROB
Merino Blend 125 ZoneKnit™ Boxers (Men's) - IB0A577E
Quick buy
ICEBREAKER
Merino 150 Anatomica Boxers Explore More (Men's) - IB0A5773
$60.00
M L XL
MINT
Merino 150 Anatomica Boxers Explore More (Men's) - IB0A5773
Quick buy
ICEBREAKER
Merino 150 Siren Bikini (Women's) - IB103164
$45.00
XS S M L XL
GRITSTONE HEATHER
Merino 150 Siren Bikini (Women's) - IB103164
Quick buy
ICEBREAKER
Merino 150 Anatomica Long Boxers (Men's) - IB103055
From $45.00 $65.00
Sale
M L XL
BLACK
Merino 150 Anatomica Long Boxers (Men's) - IB103055
 PORT
Merino 150 Anatomica Long Boxers (Men's) - IB103055
Quick buy
ICEBREAKER
Merino 150 Anatomica Boxers w/Fly (Men's) - IB103030
$60.00
M L XL
BLACK
Merino 150 Anatomica Boxers w/Fly (Men's) - IB103030
 MIDNIGHT NAVY
Merino 150 Anatomica Boxers w/Fly (Men's) - IB103030
Quick buy
ICEBREAKER
Merino 150 Siren Thong (Women's) - IB103027
$38.00
S M L
BLACK
Merino 150 Siren Thong (Women's) - IB103027
Quick buy
ICEBREAKER
Merino 150 Anatomica Boxers Ski Day (Men's) - IB0A5734
$45.00 $65.00
Sale
XS S M L XL
BLACK
Merino 150 Anatomica Boxers Ski Day (Men's) - IB0A5734
Quick buy
EXOFFICIO
Everyday Hipster (Women's)
$30.00
XS S M L XL
JADEITE
Everyday Hipster (Women's)
Quick buy
EXOFFICIO
Give-N-Go® 2.0 Boxer Brief 2 Pack (Men's)
$60.00
M L
NAVY-STEEL ONYX
Give-N-Go® 2.0 Boxer Brief 2 Pack (Men's)
 STEEL ONYX-BLACK
Give-N-Go® 2.0 Boxer Brief 2 Pack (Men's)
Quick buy
EXOFFICIO
Give-N-Go® 2.0 Sport Mesh Hipster (Women's)
$33.00
S M L XL
LAGOON CAMO DOT
Give-N-Go® 2.0 Sport Mesh Hipster (Women's)
 BLACK
Give-N-Go® 2.0 Sport Mesh Hipster (Women's)
Quick buy
SMARTWOOL
Everyday Merino Thong - Boxed (Women's) - SW002411
$45.00
XS S M L XL
BLACK
Everyday Merino Thong - Boxed (Women's) - SW002411
 ALMOND HEATHER
Everyday Merino Thong - Boxed (Women's) - SW002411
Quick buy
EXOFFICIO
Give-N-Go® 2.0 Sport Mesh Thong (Women's)
$30.00
S M L
BLACK
Give-N-Go® 2.0 Sport Mesh Thong (Women's)
 BUFF
Give-N-Go® 2.0 Sport Mesh Thong (Women's)
 LAGOON CAMO DOT
Give-N-Go® 2.0 Sport Mesh Thong (Women's)
Quick buy
EXOFFICIO
Give-N-Go® 2.0 Full Cut Brief (Women's)
$28.00
S M L XL
BLACK
Give-N-Go® 2.0 Full Cut Brief (Women's)
 BUFF
Give-N-Go® 2.0 Full Cut Brief (Women's)
 INK
Give-N-Go® 2.0 Full Cut Brief (Women's)
Quick buy
EXOFFICIO
Give-N-Go 2.0 Sport Mesh 6" Boxer Brief (Men's)
$40.00
S M L XL
NAVY-SKYDIVER
Give-N-Go 2.0 Sport Mesh 6" Boxer Brief (Men's)
 LAGOON-STEEL BLUE
Give-N-Go 2.0 Sport Mesh 6" Boxer Brief (Men's)
 LUSH GREEN LEAF CAMO
Give-N-Go 2.0 Sport Mesh 6" Boxer Brief (Men's)
 STEEL ONYX-BLACK
Give-N-Go 2.0 Sport Mesh 6" Boxer Brief (Men's)
+ 1 more
Quick buy
EXOFFICIO
Give-N-Go® 2.0 Boxer (Men's)
$35.00
S M L XL
BLACK
Give-N-Go® 2.0 Boxer (Men's)
 NORI
Give-N-Go® 2.0 Boxer (Men's)
 STEEL ONYX
Give-N-Go® 2.0 Boxer (Men's)
 STEEL BLUE FISH
Give-N-Go® 2.0 Boxer (Men's)
 NAVY
Give-N-Go® 2.0 Boxer (Men's)
+ 2 more
Quick buy
SMARTWOOL
Everyday Merino Bikini Boxed (Women's) - SW002410
$45.00
XS S M L XL
BLACK
Everyday Merino Bikini Boxed (Women's) - SW002410
Quick buy
SMARTWOOL
Active Brief Boxed (Men's) - SW017341
$35.00
S M L XL XXL
BLACK
Active Brief Boxed (Men's) - SW017341
 MEDIUM GREY HEATHER
Active Brief Boxed (Men's) - SW017341
Quick buy
EXOFFICIO
Everyday Bikini Brief (Women's)
$30.00
S M L
BLACK
Everyday Bikini Brief (Women's)
 BUFF
Everyday Bikini Brief (Women's)
Quick buy
EXOFFICIO
Everyday Brief (Men's)
$33.00
S M L XL
BLACK
Everyday Brief (Men's)
 STEEL BLUE
Everyday Brief (Men's)
Quick buy
EXOFFICIO
Give-N-Go 2.0 Boxer Brief (Men's)
$35.00
S M L XL
BLACK
Give-N-Go 2.0 Boxer Brief (Men's)
 STEEL BLUE FISH
Give-N-Go 2.0 Boxer Brief (Men's)
 STEEL ONYX
Give-N-Go 2.0 Boxer Brief (Men's)
Quick buy
EXOFFICIO
Give-N-Go 2.0 Bikini Brief (Women's)
$24.00
S M L XL
BLACK
Give-N-Go 2.0 Bikini Brief (Women's)
 GRAPE
Give-N-Go 2.0 Bikini Brief (Women's)
 TEABERRY HIBISCUS
Give-N-Go 2.0 Bikini Brief (Women's)
 BUFF
Give-N-Go 2.0 Bikini Brief (Women's)
+ 1 more
Quick buy
SWIX
RaceX Classic - Wind Boxer (Men's) - 10105-23
$48.00 $60.00
Sale
S M L
BLACK
RaceX Classic - Wind Boxer (Men's) - 10105-23
Quick buy
SWIX
RaceX Classic Boxer (Men's) - 10117-23 - Past Season
$30.00 $45.00
Sale
S M L
BLACK
RaceX Classic Boxer (Men's) - 10117-23 - Past Season
Quick buy
PATAGONIA
Essential Boxer Briefs - 6" (Men's) - 32560 - Past Season
From $30.00 $45.00
Sale
S M L XL
FATHOM: FORGE GREY
Essential Boxer Briefs - 6" (Men's) - 32560 - Past Season
 BLACK
Essential Boxer Briefs - 6" (Men's) - 32560 - Past Season
 JOY: PITCH BLUE
Essential Boxer Briefs - 6" (Men's) - 32560 - Past Season
 FIRE FLORAL: NEW NAVY
Essential Boxer Briefs - 6" (Men's) - 32560 - Past Season
+ 1 more
Quick buy
PATAGONIA
Active Hipster (Women's) - 32410 - Past Season
$20.00 $29.00
Sale
XS S M L XL
MEINERS STRIPE: LAGO BLUE
Active Hipster (Women's) - 32410 - Past Season
 BLACK
Active Hipster (Women's) - 32410 - Past Season
Quick buy
SMARTWOOL
Merino Boxer Brief Boxed (Men's) - SW016998
$60.00
S M L XL XXL
FERN GREEN
Merino Boxer Brief Boxed (Men's) - SW016998
 BLACK
Merino Boxer Brief Boxed (Men's) - SW016998
 DEEP NAVY
Merino Boxer Brief Boxed (Men's) - SW016998
 SAGE
Merino Boxer Brief Boxed (Men's) - SW016998
 HONEY GOLD
Merino Boxer Brief Boxed (Men's) - SW016998
+ 2 more
Quick buy
SMARTWOOL
Merino Bikini Boxed (Women's) - SW016925
$52.00
XS S M L XL
BLACK
Merino Bikini Boxed (Women's) - SW016925
 TWILIGHT BLUE
Merino Bikini Boxed (Women's) - SW016925
Quick buy
SMARTWOOL
Merino Print Boxer Brief Boxed (Men's) - SW017005
$60.00
S M L XL
TWILIGHT BLUE MOUNTAIN
Merino Print Boxer Brief Boxed (Men's) - SW017005
 DEEP NAVY DIGITAL SUMMIT PRINT
Merino Print Boxer Brief Boxed (Men's) - SW017005
 BLACK GONE CAMPING
Merino Print Boxer Brief Boxed (Men's) - SW017005
 FERN GREEN ALOHA FOREST
Merino Print Boxer Brief Boxed (Men's) - SW017005
 ZEN GREEN TRAIL RIDE
Merino Print Boxer Brief Boxed (Men's) - SW017005
 TWILIGHT CLOUD
Merino Print Boxer Brief Boxed (Men's) - SW017005
 SCARLET RED
Merino Print Boxer Brief Boxed (Men's) - SW017005
+ 4 more
Quick buy
SMARTWOOL
Merino Boxer Brief Boxed (Men's) - SW017007
$65.00
S M L XL
DEEP NAVY
Merino Boxer Brief Boxed (Men's) - SW017007
 BLACK
Merino Boxer Brief Boxed (Men's) - SW017007
Quick buy
SMARTWOOL
Boxer Brief Boxed (Men's) - SW016996
$49.00
S M L XL XXL
BLACK
Boxer Brief Boxed (Men's) - SW016996
 MEDIUM GRAY HEATHER
Boxer Brief Boxed (Men's) - SW016996
 SCARLET RED
Boxer Brief Boxed (Men's) - SW016996
 POOL BLUE
Boxer Brief Boxed (Men's) - SW016996
 DEEP LAKE
Boxer Brief Boxed (Men's) - SW016996
+ 2 more
Quick buy
SMARTWOOL
Seamless Bikini (Women's) - SW000848 - Past Season
$20.00 $45.00
Sale
XS S M L XL
BLACK
Seamless Bikini (Women's) - SW000848 - Past Season
Quick buy
SUGOI
Midzero Wind Boxers (Men's) - U190030M - Past Season
$40.00 $69.99
Sale
S M L XL
BLACK
Midzero Wind Boxers (Men's) - U190030M - Past Season
Quick buy
ICEBREAKER
Cool-Lite™ Merino Anatomica Boxers (Men's) - IB105246 - Past Season
$45.00 $65.00
Sale
S M L XL
MONSOON HEATHER
Cool-Lite™ Merino Anatomica Boxers (Men's) - IB105246 - Past Season
 BLACK
Cool-Lite™ Merino Anatomica Boxers (Men's) - IB105246 - Past Season
 LAVA
Cool-Lite™ Merino Anatomica Boxers (Men's) - IB105246 - Past Season
Quick buy
SMARTWOOL
Merino 150 Lace Bikini (Women's) - SW016243 - Past Season
$20.00 $34.99
Sale
XS S M L
BLACK
Merino 150 Lace Bikini (Women's) - SW016243 - Past Season
Quick buy
EXOFFICIO
Give-N-Go® 2.0 Sport Mesh Hipster (Women's)
$29.99
S M L
ADMIRAL BLUE
Give-N-Go® 2.0 Sport Mesh Hipster (Women's)
 BUFF
Give-N-Go® 2.0 Sport Mesh Hipster (Women's)
 EMMERA
Give-N-Go® 2.0 Sport Mesh Hipster (Women's)
+ 1 more
Quick buy
EXOFFICIO
Give-N-Go® 2.0 Sport Mesh Bikini Brief (Women's)
$29.99
XS S M L
BLACK
Give-N-Go® 2.0 Sport Mesh Bikini Brief (Women's)
 TRIBAL STRIPES
Give-N-Go® 2.0 Sport Mesh Bikini Brief (Women's)
Quick buy
EXOFFICIO
Get-N-Go Lacy Low Rise Bikini (Women's) - Past Season
From $16.00 $27.99
Sale
XS S M L XL
NUDE
Get-N-Go Lacy Low Rise Bikini (Women's) - Past Season
 BLACK
Get-N-Go Lacy Low Rise Bikini (Women's) - Past Season
 INDIGO
Get-N-Go Lacy Low Rise Bikini (Women's) - Past Season
 LT GRAPE
Get-N-Go Lacy Low Rise Bikini (Women's) - Past Season
 HOT CORAL
Get-N-Go Lacy Low Rise Bikini (Women's) - Past Season
+ 5 more
Quick buy
EXOFFICIO
Give-N-Go® 2.0 Bikini Brief (Women's)
From $15.00 $24.99
Sale
S M L
BLACK
Give-N-Go® 2.0 Bikini Brief (Women's)
 BUFF
Give-N-Go® 2.0 Bikini Brief (Women's)
 LAVENDER AURA
Give-N-Go® 2.0 Bikini Brief (Women's)
 MESA ROSE
Give-N-Go® 2.0 Bikini Brief (Women's)
+ 1 more
Quick buy
EXOFFICIO
Give-N-Go® 2.0 Boxer Brief (Men's)
$34.99
S M L XL
BLACK
Give-N-Go® 2.0 Boxer Brief (Men's)
 VARSITY
Give-N-Go® 2.0 Boxer Brief (Men's)
 STEEL ONYX
Give-N-Go® 2.0 Boxer Brief (Men's)
+ 4 more
Quick buy
EXOFFICIO
Give-N-Go® 2.0 Boxer (Men's)
$34.99
M L XL
FISHING SCENES
Give-N-Go® 2.0 Boxer (Men's)
 STEEL ONYX
Give-N-Go® 2.0 Boxer (Men's)
 CLASSIC FISH
Give-N-Go® 2.0 Boxer (Men's)
 BLACK
Give-N-Go® 2.0 Boxer (Men's)
+ 1 more
Quick buy
EXOFFICIO
Give-N-Go® 2.0 Brief (Men's)
$29.99
S M L
BLACK
Give-N-Go® 2.0 Brief (Men's)
 NAVY
Give-N-Go® 2.0 Brief (Men's)
 WHITE
Give-N-Go® 2.0 Brief (Men's)
Quick buy
EXOFFICIO
Give-N-Go® 2.0 Sport Mesh Brief (Men's)
$34.99
S M L XL
BLACK-SCARLET
Give-N-Go® 2.0 Sport Mesh Brief (Men's)
 STEEL ONYX-BLACK
Give-N-Go® 2.0 Sport Mesh Brief (Men's)
Quick buy
EXOFFICIO
Give-N-Go Boxer (Men's) - Past Season
From $20.00 $34.99
Sale
S M L XL 2XL
BLACK
Give-N-Go Boxer (Men's) - Past Season
 WHITE
Give-N-Go Boxer (Men's) - Past Season
 CHARCOAL
Give-N-Go Boxer (Men's) - Past Season
 CURFEW
Give-N-Go Boxer (Men's) - Past Season
 HEMLOCK
Give-N-Go Boxer (Men's) - Past Season
+ 2 more
Quick buy
EXOFFICIO
Modern Travel Thong (Women's)
$31.99
XS S M L XL
BLACK
Modern Travel Thong (Women's)
 BUFF
Modern Travel Thong (Women's)
Quick buy
ICEBREAKER
Merino 200 Oasis Thermal Boy Shorts (Women's) - IB104467
$49.99
XS S M L XL
BLACK
Merino 200 Oasis Thermal Boy Shorts (Women's) - IB104467
Quick buy
ICEBREAKER
Merino Siren Bikini Briefs (Women's) - IB103164
From $30.00 $45.00
Sale
XS S M L XL
BLACK
Merino Siren Bikini Briefs (Women's) - IB103164
 GRITSTONE HEATHER
Merino Siren Bikini Briefs (Women's) - IB103164
 LODEN
Merino Siren Bikini Briefs (Women's) - IB103164
+ 8 more
Quick buy
ICEBREAKER
Merino Sprite Hot Pants (Women's) - IB103023 - Past Season
$20.00 $49.99
Sale
XS S M L XL
BLACK
Merino Sprite Hot Pants (Women's) - IB103023 - Past Season
 VELVET-OPAL
Merino Sprite Hot Pants (Women's) - IB103023 - Past Season
+ 16 more
Quick buy
ICEBREAKER
Merino Anatomica Briefs (Men's) - IB103031 - Past Season
$20.00 $44.99
Sale
S M L XL 2XL
BLACK-MONSOON
Merino Anatomica Briefs (Men's) - IB103031 - Past Season
 MIDNIGHT NAVY-GRANITE
Merino Anatomica Briefs (Men's) - IB103031 - Past Season
+ 11 more
Quick buy
ICEBREAKER
Merino Anatomica Briefs (Men's) - IB103031
$55.00
S M L XL
BLACK
Merino Anatomica Briefs (Men's) - IB103031
 JET HEATHER
Merino Anatomica Briefs (Men's) - IB103031
Quick buy
ICEBREAKER
Merino Siren Hipkini Briefs (Women's) - IB104704
From $30.00 $45.00
Sale
XS S M L XL
BLACK
Merino Siren Hipkini Briefs (Women's) - IB104704
 LODEN
Merino Siren Hipkini Briefs (Women's) - IB104704
 UMBER
Merino Siren Hipkini Briefs (Women's) - IB104704