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The Ex Officio Brief is the one pair that you will pack every time. They are made of Travel-friendly Give-N-Go Stretch — 94% nylon/6% spandex. This Brief will air-dry within hours, so you can wash as you go and pack fewer pairs.
The Briefs are extremely breathable and moisture-wicking. They also feature an antimicrobial finish keeps you comfortable. Ex Officio completed this Brief with a terry elastic back and functional fly for ease.
The Ex Officio Briefs ideal uses are backpacking, hiking/camping, resort travel, and urban travel.

Whether you're on safari in Kenya, or mobbing through traffic on your commuter, the Ex Officio Men's Give-N-Go Brief keep the crucial bits cool, dry and comfortable. Okay, depending on your trip length, that might be extreme. Field tested and approved by the African Wildlife Foundation, this ultra-breathable, moisture-wicking, stretchy brief dries quickly after a wash in the hotel sink and features an Ex Officio odor-resistant finish to keep you fresh all day and night.

Extremely breathable and more comfortable than any other briefs or boxers you've ever worn. GiveNGo stretch fabric air-dries, wicks moisture, and sports an antibacterial finish to keep you fresh and comfortable. Wash as you go and pack fewer pairs. Terry elastic back. Functional fly. In black, charcoal, white. Fabric: 3.6oz /sq yd. Washable. Imported.
Sizes: S(28-30), M(32-34), L(36-38), XL(40-42), XXL(44-46).

The Ex Officio Brief offers comfort with style. Constructed from an extremely breathable and moisture wicking 94%nylon/6%spandex fabric. The Ex Officio Give-N-Go Brief is great for Backpacking, Hiking, Fishing, Travel as well as everyday use.

The Men's Brief from Ex Officio is the one pair you'll pack every time. They've been designed to fit comfortably without bunching or binding on even the most demanding travel days. Odor resistant and quick to dry without a dryer, you can bring fewer pairs, wash as you go and free up room in your luggage.

Features
Ideal Uses
Backpacking, Hiking/Camping, Resort Travel, Urban Travel
Fabric
3.6 oz /sq yd Imported

A basic travel necessity! The ExOfficio men's briefs dry fast, so you can pack less--hand wash them, hang them up and they dry overnight.
| Country of Origin: | China |
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| Cut: | Brief |
| Fabric: | 94% nylon/6% spandex |
| Gender: | Men's |
| Manufacturer Warranty: | Lifetime |
| Material: | 94% Nylon, 6% Lycra spandex |
| Materials: | 94%/6% Lycra Spandex |
| Recommended Use: | Travel, hiking, backpacking |
| SKU: | 1241-008 |
| Weight: | 2.5 oz. (71 g.) |
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View other products from Ex Officio classified in Men's Clothing > Fleece & Base Layers. View all products from Ex Officio.
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Sometimes, we can't be sure that the product is the same across the stores that offer it, so you may find the same product listed more than once on GearBuyer.com, we list these highly similar products below.
| Ex Officio Boxer Brief | $19.75 - $25.00 |
Sometimes brands make complementary products for the opposite gender that coordinate with this product, we also try to show these products below.
| Ex Officio Bikini Brief - Women's | $9.95 - $18.00 |
These are products that have been indicated being comparable to this product:
![]() | Ex Officio Boxer Men's Clothing > Fleece & Base Layers | $19.75 - $25.00 |
| Ex Officio Boxer Brief Men's Clothing > Fleece & Base Layers | $19.75 - $25.00 | |
| Ex Officio Give-N-Go Boxer Men's Clothing > Fleece & Base Layers | $15.97 - $24.99 | |
| Ex Officio Give-N-Go Boxer Brief Men's Clothing > Fleece & Base Layers | $18.75 - $25.00 | |
| Ex Officio Sport Brief Men's Clothing > Fleece & Base Layers | $14.99 - $18.00 |
Use this chart to find which retailer offers this product in the size, color or other options that you desire. Click on the price to purchase.
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They work for me | |
| Rating: | ![]() |
| I purchased a pair in early July, 2009 and the fit problems mentioned in some earlier reviews do not seem to be a problem with the pair I have. The fit seems true to me overall. It is true that the leg openings are on the loose side and would benefit from a bit of elastic there. But overall, the briefs are comfortable, supportive and contain their cargo. The fabric is extremely light, cool and airy. These are a step up from the Patagonia brand briefs I tried a few years ago. I like these briefs for any sweaty activity such as hiking, sports, or yard work. | |
| like2hike at REI on 08/08/2009 | |
A great product ... | |
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I bought two pair of medium breifs three years ago for a 4,100 mile bicycle trip across America. You can imagine the wear and tear the underwear gets rocking back and forth on a bicycle seat for that many miles. The briefs kept me dry and they show absolutely no wear to this day. I had absolutely no chaffing or rubbing raw even after riding 80 or so miles in a day. I am going to order three more pair today in preparation for a marathon. I also just like the feel of this fine product even when I am not working out. grandpalosthismind.com | |
| grandpalosthismind.com at Backcountry.com on 01/01/2010 | |
Sizing inconsistent | |
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| Very soft and comfortable material which wicks and keeps you dry, and dries quickly on the road or trail. Used 3 pair for 2 weeks of travel in France; and I use them as my regular briefs at home, since they're so comfy. BUT watch the sizes. I bought Medium 2 years ago, and bought more recently; and the new Medium was much too big, especially leg openings--No "support"! (I also tried the Boxer Briefs, and even Small was too big.) | |
| SteveS. at REI on 04/04/2008 | |
nice panties | |
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my husband loves these. He's a boxer guy around town, but these are great for active stuff like hiking, backpacking, etc. comfy fabric that keeps his junk cool and dry. They dry quickly after travel handwashing and take up minimal space in his pack so he can carry more of my stuff. A good investment, and good quality for the price. | |
| ori3312892 at Backcountry.com on 01/08/2010 | |
sweet | |
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quality underwear is a must when hiking/backpacking. These keep moisture away from my body, and feeling fresh. They dry quick too. Leave the trunks at home and strip down to these at the lake/creek and 5mins out of the water they're practically dry (with a little help from towel blots). They also, dont retain any scent/smell. Great product | |
| d_dot_c1212962 at Backcountry.com on 09/29/2009 | |
Great undies | |
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I like to hike light. I can definitely say that my 2 pair of undies have survived extended use and, more importantly, I survived. They are extremely breathable and, unlike cotton briefs, they are not clammy after a long day hike (eg Half Dome). They dry so quickly after a quick wash. They are very comfortable too. | |
| Seng Boey at Backcountry.com on 07/15/2009 | |
Buy these....now! | |
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| Recently bought the newer version. You can tell because the ExOficio name is repeated in a banner around the waist band. Wore them hiking and was caught in a thunderstorm. They dried within an hour after the rain stopped even with high humidity. Noticed no bunching, sagging, or chafing when soaked. | |
| Jim at REI on 06/06/2009 | |
Good supportive briefs | |
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I bought my 13 year old son these briefs for sports and everyday use. the green ones look nice but i got the white ones. overall he says they hold his package and they are very breathable and he finds sweat dries faster and dosnt smell after long activities. | |
| ryan at Backcountry.com on 06/29/2009 | |
Ex Officio Give-N-Go Brief - Men's | |
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These underwear are very comfortable. They fit in all the right places. In hot weather, when I play golf, they keep me cooler than cotton. I recommend these underwear highly. | |
| kirkbeverl1200649 at Backcountry.com on 12/28/2009 | |
Good product | |
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| Much more comfortable, even when perspiration isn't in the picture, than traditional cotton. When perspiration is present, the difference is even greater. | |
| Bhakti-rider at Rock/Creek Outfitters on 08/24/2009 | |
Disappointing | |
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| Every underwear I have is either REI brand or ExOfficio. ExOfficio BRIEFS are by far the MOST comfortable undies I’ve own. HOWEVER, something happened, and in the past year or so, they changed the design and I have had to return them every time. Once again, I am returning the recent purchase.The main problem I find is the elastic around the waist. I have 34 to 36 inch waist, and I used to buy LARGE size, but I find the new briefs too SMALL or too TIGHT. While an argument could be made that I don’t want to acknowledge that I have a bigger belly, my response would be that: a) I have gradually LOST weight in the past few years, b) I used to buy 36- and even 38-waist pants, now those are too loose, and c) I keep buying the same size L REI brand, and they fit the same. In conclusion, the EXOFFICIO waist is sized too small, so the elastic is too tight to be comfortable.I hope they redesign them soon. I absolutely love the old ones I have. HOWEVER, if they happen to fit your body type (very small waist and big butt?), then you should consider them. They are NOT pretty, some reviewers have compared them to old Mexican wrestling-style "calzones." If you were looking for something small and se*y, you should probably look at other brands. If you wanted something comfortable, that you can wear every day, and they fit your body type, then these are for you. If you are looking for something that you can wear during a 16-hr transcontinental flight, that you can wear around wet humid climates, even during stressful business meetings, that you could wash at night and wear the next day, and if they fit you well, then this product is for you. ExOfficio, please check the design? You messed up a good thing[...]A suitable replacement are the REI-brand undies, although I find them just a little big around the butt, and I hate the REI advertisement around the waist. The elastic, however, is very comfortable. | |
| Business Traveler at REI on 05/05/2009 | |
Not what they used to be! | |
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| What used to be the best pair of Men's underwear are now sub-par.Last year I bought three pair of size M. They fit perfectly and were the most comfortable underwear I had worn. They were put to use in isolated jungles and cloud forest. This year I needed replacements and bought two more pair. Unfortunately they are completely redesigned and for the worse. 1. They removed the elastic that went around the legs. 2. They upsized them significantly. The space around the legs is now so loose that withour the elastic the back sags down. What once provided nice support for strenuous activity now leaves things hanging and prone to chafing! 3. The build quality is not as high. The size of the leg opening was not equal. One side bunched out a good deal more than the other. The fabric remains the same great super wicking material. If they fir well with these you could go for a long time travelling with only two pairI would not buy these again. In fact upon my return I will be returning these two pair. At this price they should be perfect. Thank goodness I checked them before going into the field. [@] | |
| BioHorn at REI on 06/06/2008 | |
Disapointed | |
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| I copied a previous reviewer because his review described my experience exactly. And I couldn't come up with another phrase with words appropriate to this forum to say "neither support nor contain". I spoke with a REI rep and she told me I could return the not up to quality pairs to the store didn't have to wait and return them to Ex Officio. If they are going to upgrade in 2009 to their previous quality I would buy again .....but not till I see several good reviews "Based on my own excellent past experience with this product I bought 4 more pair and was very dissapointed. They're not what they used to be. The fabric is still soft, comfortable and fast drying, but the cut is different. They are loose around the inner thigh and the fly is set awkwardly off to one side. They neither support nor contain." | |
| Brom at REI on 09/09/2008 | |
Called ExOfficio:2009Model to be updated | |
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| UPDATE:I just got off the phone with ExOfficio. The Customer Service representative said they are aware of the 2008 problems with the lack of elastic in the leg openings. You can return yours to them after January 2009 to be exchanged for the updated/ fixed design.Note that these problems are the same in both the 2008 Brief and Sport Brief models. I got each design in order to check them.Good to hear these great underwear will be back up to par in '09! I will get a couple pair more then.I give them a recommend for '09. | |
| BioHorn at REI on 09/09/2008 | |
Inadequate elastic in Leg | |
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| I bought 2 pairs a few years ago for travel and loved they fit and how they dried overnight even in a tropical climate. I bought a third pair a few months ago for a trip to Europe and like most recent reviewers, discovered that the new pair had inadequate elastic in the legs and were uncomfortable. They still dry quickly, but the new pair will be returned. | |
| Lopezian at REI on 10/10/2008 | |
Heed the Warnings | |
| Rating: | ![]() |
| Based on my own excellent past experience with this product I bought 3 more pair and was very dissapointed. They're not what they used to be. The fabric is still soft, comfortable and fast drying, but the cut is different. They are loose around the inner thigh and the fly is set awkwardly off to one side. They neither support nor contain. | |
| TripTaker at REI on 09/09/2008 | |
Uncomfortable | |
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I ordered a medium and the briefs were marked medium, but they fit like xtra large. Felt very uncomfortable to wear and stretched out. | |
| hpp1564621 at Backcountry.com on 08/15/2009 | |
Yet again ... | |
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| ... neither support nor contain. Boo. | |
| Benjamin James at REI on 09/09/2008 | |
Review Title | |
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Great for normal /dry weather. But in humid weather, like the amazon, these briefs never dried, so one pair will never work | |
| bon3487529 at Backcountry.com on 01/09/2010 | |