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Discover the ultimate comfort and support with our collection of running boxer briefs. Designed for active lifestyles, these boxer briefs feature moisture-wicking fabrics that keep you dry and comfortable during your runs. With a snug fit and breathable materials, they provide excellent flexibility and movement, ensuring you stay focused on your performance. Available in various lengths and styles, our running boxer briefs are perfect for any athlete looking to enhance their workout experience. Elevate your running gear with these essential undergarments that combine functionality and comfort seamlessly.
(1) 
$18.00
WAS: $36.00*
[ Great fit and comfort. ... Great fit and comfortable ... Very comfortable and would recommend to others. ... If you want all day comfort for your junk, get these breathable
5
Birdieeee11044
These underpants are amazing. Big, soft, comfy, good for all occasions and they look great. They have a good elastic waistband and they do n't cause chafing.
5
Nickvivi12
Very comfortable and would recommend to others. They fit snug around my thighs but not too tight. The waste fits really nice and snug but doesn ’ t hurt or bother me.
5
Agua
If you want all day comfort for your junk, get these breathable underwears!
5
Brad
[ Great socks and would buy again. Need to recommend to my friends
5
bkm888
These are my favorite pair of underwear, i have never had anything like them
$36.87-$47.50
WAS: $47.50*
Great fit, very comfortable ... Comfortable Fit ... These under garments are so comfortable and feel so good to my skin that they make me so relaxing. ...
5
kcbrown05
Purchased as a gift, but I was informed they are comfortable, soft, airy, and right fit. They like them so much, they are going to order more.
5
Football son
My son wants these and only these underwear for the last 4- 5 years and absolutely loves them.
5
Shoeman
Tight comfortable fit with good support. If you prefer a little loose go one size up.
5
130Beyer
Fit perfectly. Great fabric.. Love it. Purchase again.
5
Tottie
These under garments are so comfortable and feel so good to my skin that they make me so relaxing.
$22.92
WAS: $59.50*
Most comfortable underwear I have. ... Comfortable and supportive boxer briefs, perfect f ... He is VERY picky about his boxers and doesn ’ t change brands hardly
5
Ladies123
Bought these for my son who had been trying to find a good pair of men's briefs that are comfortable. He absolutely loves the feel of these briefs!
5
Vdawg33
Excellent feels good throughout the day no ride ups or anything
5
bbtb67
Most comfortable underwear I have. They fit perfectly and will buy again!
5
abdalrahmana_661868
[ I liked it, there are many colors, and it is very comfortable, but if it was made of cotton it would be much better, but overall it is good and many sizes are available
5
princess_spartan__923756
[ My husband love these and fits him just right. Usually he deal with loser under pants and he doesn ’ t like them but these right keep just makes him feel comfortable and super breathable. I highly recommend for men they are super stretchy as well. They are worth buying trust me I really want to put you guys on.
$44.00
The performance shorts are perfect for me because they stay in place and move easily. ... These are the most comfy underwear out. ... These are my go to underwear and fit very comfortably, will buy again for
5
Albreazy
I ’ ve been throwing these under my basketball shorts for my rec league games and don ’ t feel any additional weight under my waist
5
BKNH15
These are the most comfy underwear out. Period. Perfect fit, length, no ride up, dry fit for hot day.
5
atadidasman
The performance shorts are perfect for me because they stay in place and move easily.
5
chuck
These are my go to underwear and fit very comfortably, will buy again for sure.
5
Chris B
I bought these last month. It was a great deal on my favorite boxers.
$44.00
These are very comfortable and the material is very breathable. ... Great Fit, Super Comfortable ... Fits really well and very comfortable and breathable. ... They have everything, from softness to
5
SkierDave1
Love these! Will definitely be buying more!
5
BS162
I bought these on sale and got a great deal on an outstanding pair of boxer briefs. They have everything, from softness to functionality. They also come in great colors. I will definitely be buying these again.
5
Faustino
These fit great and are very comfortable.
5
Nick Matz
Size is right. Keeps everything in place nothing shifting out of place getting pinched
5
bswiss8
These are very comfortable and the material is very breathable.
$44.00
I would definitely recommend these for anyone looking for comfort and fit. ... I purchased these for the gym and they are super comfortable. ... Love the feel of the
5
Wreck18
Hands down the best UA has to offer.
5
Bob194844
The UA Tech Mesh provides cool comfort, and can be worn under any garment. I always depend on UA comfort technology for mens quality underwear.
5
Notyouraveragedad1
Perfect fit and great support! The 9 ” is great for taller/long legged guys who are looking for a boxer that doesn ’ t ride up and bunch. The mesh material is fantastic as well and isn ’ t like the spandex compression that the other boxer provides.
5
ZTBillingsley
Fast shipping. Extremely satisfied with product. Kinda leary to order clothes online, but Under Armour sizing is perfect and fits as described
5
Cyrus B
As advertised; stylish, comfortable flattering from all angles. I am more than happy with my purchase.
$44.00
Good fit, size runs true, very comfortable and quality materials. ... This underwear is very comfortable to wear for working out. ... The fit and comfort is very good, product is is as
5
Happy Customer2025
These are Very comfortable and I ’ m looking for more to purchase.
5
walker306
The fit and comfort is very good, product is is as described
5
bradley2013
Great product! Holds its shape and size even after multiple washes and dries. Comfortable too! Will buy again.
5
CJV30
I love the performance cotton boxer briefs. The smooth cotton feel and all day comfort are great.
5
Jon Preacher
This underwear is very comfortable to wear for working out. Holds your equipment place very well and not discomfort while working out. I going to buy more since these are good for working out or for regular day- to- day use.
$24.99
Great for running ... The venting in the material is great for airflow and the material of the whole product itself feels great! ... Excellent support, breathable and great
5
bootycrack
i bought these 3 years ago and i ’ ve only worn one pair everyday no wash now that ’s some dedication yk it ’s goooooood
5
JAGG
These underwear are comfortable and durable. They are great for any activity.
5
Nm2214
He has more expensive brands and he says these are the best.
5
60 year old marathoner
My first purchase of Pair of Thieves boxer briefs and I love them. Fit perfectly, material has the right mix of cotton softness and stretchiness, and no irritating seams.
5
Steiv
I originally bought these because some of my underwear were making me sweat very easily! This pair of underwear keeps you cool all day! The venting in the material is great for airflow and the material of the whole product itself feels great!
$34.95
WAS: $40.00*
I got these to try for every day use ro stay warm and comfortable in the cooler months and I am pleased with my purchase. ... Bought them cause there cool, love em cause there
5
JMBURNS
Bought them cause there cool, love em cause there comfy. My wife cant keep her hands off them. but that's just cause she does the laundry...
5
Dan M
[ The best underwear! Just cant beat these. All the amazing benefits of merino wool with the most comfortable fit. Comfy but also offers support.
5
Michael
[ Purchased three pairs for hiking. Wicks moisture and are very comfortable during hot hikes. I 'm 6' 3 '' 215lbs and the medium size is a great fit.
5
Guardian
[ I took a long backpack trip and got some redness on my typical polyester undergarments so I bought these, but have n't backpacked with them. I wore them for my typical day of work and they felt good. I am about 33 inch waist and medium fit as suggested. Will update if I find these do n't work better than my typical garments.
5
JTUUK
[ I 've had a few pairs of these. The nicest thing about them is no matter how sweaty or wet they get you 're always able to walk them dry, and it takes a few days before they get funky.
$44.00
Great fit and breathable. Wear them everyday. ... Great fit, very comfortable! ... The under armour briefs were just what I needed and have become a favorite for
5
Chantilla
I ’ m happy with my purchase will purchase more again
5
Bigdaddy
Been wearing these for about 4 yrs. very comfortable and help with sweating and oder.
5
DSWVU
On a recent trip out of town I forgot to pack a very important part of every overnight trip. I was so glad that I was able to get same day pickup from my go to store for my sports needs. The under armour briefs were just what I needed and have become a favorite for me.
5
WAshopper
He says they are comfortable, do n't bunch up, and do n't show a line under clothes.
5
Hollywood069
Bought these last week and love them!!! Don ’ t want any other brand after purchasing these!!!
$44.00
Very comfy and great price ... Very comfortable and nice ... Fit great and incredibly comfortable. ... They are very comfortable and he loves the feel of the
5
Onemoretime
Fits well and ventilated.
5
Cold Bier
These are absolutely the best boxers that I have. Fit great and incredibly comfortable. Highly recommend.
5
D6767
Very comfy and great price
5
Uatw 25
These are the best boxers to wear great feel and colors
5
Ames0925
Bought these for my oldest son. He loves how they fit and how they feel. He said it is his favorite underwear!
$54.50
Extremely comfortable and supportive. ... great fit, high comfort, explosive, great for training ... These Ultra Comfort boxer briefs are smooth and comfy and fit extremely
5
AndrewK987605161
Nike underwear never disappoints! These Ultra Comfort boxer briefs are smooth and comfy and fit extremely well! Perfect support and fit and a good reminder of why Nike is the only underwear I ever wear now. Will add more these to my collection!
5
ScreenName764032050
great fit, high comfort, explosive, great for training
5
Their pricey, but all underware is. Comfy and snug.
5
Sciguy
These are great for me while doing my workouts or long hikes. Provides great support as well and not to hot.
5
MeganLG
Purchased for my son and he absolutely loves them. Uses for his sports workouts, regular everyday wear! He says they feel great! They wash and dry well. They don ’ t ride up on him. Fit TTS He says they ’ re not to tight and not to lose and unlike cotton underwear they don ’ t and haven ’ t stretched out. Bonus all the packs I ’ ve purchased have been on sale. Will only continue to buy this style for my son.
$44.00
Material is extremely comfortable and great for staying cool and dry. ... Most comfortable boxers ever! ... The UA Boxerjock is the most comfortable boxer I have ever
5
MLRTYM300
I love how soft and breathable these boxer briefs are on my skin. They definitely help cool you down when it gets hot outside and not feel all sweaty
5
mlower0
Extremely comfortable when working out or daily wear…also very durable!
5
Gus G
the size and durability of this product is why i keep coming back and buying repeatably
5
Mboorsma01
I purchased these for extended hikes. The longer leg length prevents chafing. Material is extremely comfortable and great for staying cool and dry.
5
Kimmerz
My fiancé loves these boxer briefs. He says they are his favorite. They ’ re cool, comfy and breathable
$24.99
Very form fitting super supportive. ... These boxers are very comfortable and highly recommended others to buy ... Wicks away sweat and keeps you cool. ... Feels good, nice material, fits well, fairly
5
Christopher A.
[ I continue to be happy with my choices from pair of thieves. I really like the super fit and the hustle, but these raise the bar. I like that the fly is built into the seam and you can ’ t see it. Soft, comfortable and supportive and don ’ t have any bulk. Very glad to have these as we head into warmer weather.
5
Its me me me
These shorts are so nice. They are great fit and love that are breathable.
5
Richie S.
[ Nice new product! Feels good, nice material, fits well, fairly supportive. And good colors to start. Will get more later on!
5
Tye R.
[ I bought him 2 pair of the cooling boxer briefs and he told me he had to have this for all of his underwear because with athletics and being a sweaty teenager, they kept him comfortable all day!
5
Anthony T.
[ Very soft and comfortable. Wicks away sweat and keeps you cool.
$47.50
These are sleek and smooth while providing proper support. ... Tight comfortable fit with good support. ... They are very comfortable. ... These are very
5
Bob 23
Really soft. Husband loves them. Washes perfect no color fade
5
Football son
My son wants these and only these underwear for the last 4- 5 years and absolutely loves them.
5
Shoeman
Tight comfortable fit with good support. If you prefer a little loose go one size up.
5
130Beyer
Fit perfectly. Great fabric.. Love it. Purchase again.
5
Tottie
These under garments are so comfortable and feel so good to my skin that they make me so relaxing.
$45.00
Good quality and comfortable. ... Love them very stylist and comfortable dirt. ... Not 100% cotton but i 'll take that over polyester stuff! ... These are more of a cotton blend rather than drifit but he likes
5
Rebecca392
Long enough, great quality. My son likes them he is in football and weightlifting
5
Tikmd
My son loves these. Appear to be quality, and comfortable. Guess these are trending right now.
5
holly
5
Kendrick
Love them very stylist and comfortable dirt. My daily wear
5
Amanda1212
My son loves these! They ’ re comfortable have so many cool Designs. They ’ re expensive and that ’s the only downfall.
$42.00
Comfortable, good fit, and well made. ... These under Armour underwear are a great fit. ... Great quality and very comfortable! ... They are so comfortable and the
5
bigtallmichael
Bought these in a pinch and they were great. Very comfortable.
5
DCJersey
Needed some sweat wicking briefs and these are the best.
5
Redman
These under Armour underwear are a great fit. Fully breathable, structurally strong, and awesome variety of colors. Highly recommended.
5
E Beazy
I ’ m a big fan of Under Armor and these maybe the most comfortable pair of workout underwear I ’ ve ever worn
5
WStriking1
Comfortable, good fit, and well made. Fabric is soft and holds up after washing. Happy with this purchase.
When selecting running boxer briefs, consider features such as moisture-wicking fabric, breathability, and a comfortable fit. Look for designs that offer support without restricting movement, as well as flat seams to minimize chafing during runs. Additionally, a longer inseam can provide extra coverage and prevent ride-up.
Running boxer briefs are typically made from synthetic materials like polyester or nylon, which are known for their moisture-wicking properties. Some may also incorporate spandex for added stretch and flexibility. Natural fibers like cotton can be comfortable but may not perform as well in moisture management during intense activities.
Running boxer briefs are specifically designed for athletic activities, featuring moisture-wicking fabrics and a snug fit that supports movement. Unlike regular boxer briefs, which may prioritize comfort for everyday wear, running boxer briefs focus on performance, reducing chafing and providing breathability during workouts.
Yes, there are styles of running boxer briefs tailored for various weather conditions. In warmer climates, lightweight and breathable options are ideal to keep you cool, while in cooler weather, you may prefer boxer briefs with added insulation or longer lengths for warmth. Some designs also feature mesh panels for enhanced ventilation.
The fit of running boxer briefs is crucial for comfort and performance. Look for a snug fit that provides support without being too tight, as this can lead to discomfort during runs. Additionally, consider the rise of the briefs; a higher rise can offer better coverage and prevent slipping during movement.
To choose the right size for running boxer briefs, refer to the sizing chart provided by the manufacturer, as sizes can vary between brands. Measure your waist and consider your body type to find the best fit. It's important to try them on if possible, ensuring they offer support without constriction, allowing for freedom of movement while running.
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