Skip to content (Press Enter)
Women
Back
Women
Sports Bras
Top Sellers
Shoes for Work
Clearance
Shoes
Neutral Running
Stability Running
Trail Running
Race
Track
Cross Country
Walking
Recovery Sandals + Lifestyle
Clearance
All
»
Apparel
Tanks
Shirts
Half-Zips
Hoodies
Vests
Jackets
Pants
Shorts
Tights
Capris
Skirts
All
»
Accessories
Sports Bras
Garmin Watches
Face Masks & Gaiters
Socks
Insoles
Compression
Sunglasses
Hats + Headwear
Safety + Visibility
Brands
adidas
Altra
ASICS
Brooks
HOKA
Karhu
Mizuno
New Balance
Nike
On
Saucony
The Mestari Run 2.0
Shop Now
Men
Back
Men
Top Sellers
Shoes for Work
Clearance
Shoes
Neutral Running
Stability Running
Trail Running
Race
Track
Cross Country
Walking
Recovery Sandals + Lifestyle
Clearance
All
»
Apparel
Pants & Joggers
Tights
Shirts
Shorts
Tanks
Half-Zips
Hoodies
Jackets
Vests
All
»
Accessories
Garmin Watches
Face Masks & Gaitors
Socks
Insoles
Compression
Sunglasses
Hats + Headwear
Safety + Visibility
Brands
adidas
Altra
ASICS
Brooks
HOKA
Karhu
Mizuno
New Balance
Nike
On
Saucony
The Mestari Run 2.0
Shop Now
Kids
Gear
Back
Gear for Runners
Top Sellers
Running Shoes
Sports Bras
Gear Guides
Best Running Shoes
Best Running Clothes
Best Running Gear
Best Massage Tools
Gifts for Runners
How to Start Running
Socks
Balega
Feetures
All
»
Insoles
Superfeet
Currex
All
»
Compression
Socks + Sleeves
Men's
Women's
All
»
Nutrition
Drinks
Gels
Chews
Bars
All
»
Hydration
Bottles
Belts
Packs
All
»
Health + Safety
Face Masks + Gaiters
Running Lights + Reflective Gear
Skin Care
Injury Prevention
Braces + Supports
Foam Rollers
Massage
Plantar Fasciitis
Miscellaneous
All
»
Electronics
GPS Watches
Music Accessories
All
»
Sunglasses
Hats + Headwear
Jogging Strollers
Shop GPS Watches
Train smarter than ever before.
SHOP WATCHES
Brands
Back
Brands
Top Sellers
Clearance
Top Brands
Altra
Amphipod
ASICS
Balega
BOCO
Brooks
CEP
Currex
Diadora
Feetures
Garmin
Goodr
GU Energy
HOKA
Karhu
lululemon
Mizuno
Nathan
New Balance
Nike
Nuun
On
OOFOS
rabbit
Saucony
Shokz
Superfeet
Vuori
Trending Brands
TYR
FKT Gear Sunglasses
Birkenstock
ChicknLegs
Sprints
adidas
Salomon
Cotopaxi
Bakline
Thule
Fit Process
Training
Blog
Collections
Back
Curated Collections
Collections
New Runners
Trail Runners
Competitive Runners
Recovery for Runners
Cold Weather Gear
Shoes for Work
Shop By Price
Under $25
Under $50
Under $100
Gift Cards
Digital Gift Cards
Gear That Goes the Distance
Shop Now
Sale
All Locations
Gift Cards
Account
Help
Show Shopping Cart Items:
Search
Cancel
Underwear
Men's
2UNDR
2UNDR
Swing Shift 2PK
$65
COLORS
GALACTICA / BOOMTIME
CAMO
LAQUINTA / OASIS
BAN ATHLETE
FLOWER POWER
MARGARITAS / PLAID
ZEBRATA / MOBY
CORAL / SHARK
ALOHA / MAHA
TUSCON / JUAREZ
SANTA FE
BLACK / ROCOCO
PEACOCK / PAISLEY
BLACK / NIGHT CAMO
BLACK / BLUE
BLACK / TSUNAMI
BLACK / GRAY / GEODE
FISH SCHOOL / FLAMINGO
Size
S
M
L
XL
Ship to Home
Free over $99
Pick up in Store
Add To Cart
$65
Add to Favorites
Free returns with our
Happy Fit Guarantee
Popular Men's Underwear
Men's SAXX Kinetic HD Boxer Brief
1 Styles
$38
2UNDR Flow Shift Boxer
3 Styles
$37
Men's Craft PRO Dry Nanoweight 6 in Boxer
$40
Men's SAXX Quest Boxer Brief Fly
1 Styles
$32
2UNDR Swing Shift Boxer
9 Styles
$35
