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SHEATH 3.21 Men's Boxer Briefs combine a perfect 5-inch inseam with a patented dual pouch system for unmatched support and comfort. Crafted from a breathable, moisture-wicking modal-spandex blend, these boxer briefs keep you cool and dry all day. The fabric-covered elastic waistband and high-stretch durability ensure a second-skin fit ideal for active professionals seeking both style and performance.










| ASIN | B09XFJNK36 |
| ASIN | B0BPJ3FFKM |
| Age Range Description | Adult |
| Apparel Fabric Stretch | High Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Best Sellers Rank | #130,951 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #439 in Men's Boxer Briefs |
| Bottom Style | Boxer Briefs |
| Brand Name | SHEATH |
| Color | Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (905) |
| Date First Available | April 10, 2018 |
| Department | mens |
| Fabric Type | Modal |
| Garment Size Country | United States |
| Item Type Name | Boxer Briefs |
| Item Weight | 3 Ounces |
| Item model number | 3.21 |
| Manufacturer | SHEATH underwear |
| Manufacturer Part Number | 3.21 |
| Material Type | Modal |
| Package Dimensions | 9 x 7 x 0.5 inches; 3 ounces |
| Pattern | Solid |
| Product Care Instructions | Machine Wash |
| Rise Style | Mid |
| Size | 3X-Large |
| Sport Type | Multi-Sport |
| Style Name | Modern/Fitted |
| Style Number | 3.21 |
| Subject Character | UFC |
| UPC | 818467028167 |
| Unit Count | 1 Count |
C**S
I must say I like it
The size guide is accurate and they’re very comfortable
B**Y
Most comfortable underwear ever!
I never do product reviews, but i have to on this one. These underwear are amazing. They are soft and very stretchy so they comfortably conform to your body. Absolutely no wedgies even when exercising. The way the pockets cradle your junk is great. Keeps the twig and berries in front of you, no more in between your thighs. Added benefit is you get a rather impressive bulge to let people know their os something doen there. My girl said they are so hot 🔥 Good confidence booster. Also no more sticki g together or to your leg. Not enough good things to say about these. I am throwing away all my other underwear and buying a buch of these. Also, if you are in between sizes even a little bit go a size down. I always wore a medium but i got smalls on these and i am glad i did. They stretch so much that the small is perfect for me.
S**N
Nice feel, no chafing and GREAT look
I'd been looking to reduce chafing discomfort. These Sheath boxer briefs were the 3rd brand that I'd tried and I will definitely be buying more. Light while not feeling flimsy, with a dual pouch that is actually a dual pouch, preventing any chafing. These are a size smaller than I normally wear, but they are comfortable and not too tight; I would prefer a 3x be available, however, as I'm a big guy.
L**T
The best!
Finally, the perfect pair of men’s underwear. I’ve tried two other “pouch” style underwear and these put the others to shame. The Lapasas are comfortable but they lack a fly and look ridiculous. I’m not sure who the David Archys are designed for either. They ride super high on the waist and offer zero support for the boys. Plus, if you’re a “grower”, good luck getting Mr. Happy to stay in his pouch with the David Archys. The Sheaths on the other hand are perfect. The dedicated pouch for the boys work like a charm. Once “hooked” in, they stay there and Mr. Happy stays put in his separate pouch as well. And all that without sitting high on the easier as well as the benefit of a fly! That said, if your little man is a “shower”, I can see where you might have a problem keeping him from popping out of the fly on his own. These underwear have it all and it will be all I’ll buy for the foreseeable future.
L**R
Great product - does what it is supposed to do
Works like a charm - good support...and very easy access for relieving one's self when standing. No fuss trying to find the correct seam to access - what a relief during those, "I cant wait one more second!" moments. The dual function pouch is great - it easily separates the mechanicals. The fabric is soft and smooth. I ordered a medium waist and the fit is correct. I now own three.
N**E
A place for everything and everything in its place.
As an avid hiker and walker I bought a pair of these manhood sectioning underwear to resolve a sweating/chaffing situation at my base camp. and found them to be quite comfortable after a bit if getting used to. One solid point I do have to mention is they will accentuate your package by making it protrude forward a bit further, {In no way is this a bad thing but you may get more looks.} However US more well endowed guys may find the separation pouches a little small. and the outer fly exit is at the bottom not on the side like standard equipped underwear so exposure of tip can be expected
K**I
Great quality
My husband only wears this brand now every pair I've bought has been great quality. They're a little pricey but they don't deterate like other brands even after years of washing. Worth the investment in my opinion.
S**R
Best underwear
These are my new favorite underwear! They are pricey but worth every penny when its hot out and your balls aren't just stuck to your legs all day its pretty nice.
D**L
Loved the fit of the underwear and the the feeling of good separation and sweat control after a very physical 8 hour shift
J**S
Buen diseño. Pero ... soy talla 30 , compre talla chica supuestamente para cinturas de 28 a 30... Y el boxers me quedo algo flojo.. no hace fit en mi. Antes de que me llegará el producto intenté contactarme con el vendedor dos veces , por medio de la app y por medio de servicio al cliente de amazon y en ni uno de los casos contestó. El producto hubiera sido excelente si tubieran los tamaños adecuados a las medidas que dice el boxer u ordenadas.
D**H
I saw these on a sponsor ad section on a couple of Youtube videos (one of Simon Whistler's many channels) and half-remembered it afterwards. I thought it sounded like a gimmick for selling overpriced underwear. I work some long shifts in a fairly hot environment, which gets uncomfortable. Trips to the toilet to unpeel my scrotum from my thigh and wipe the sweat off. Itchy. Not ideal. So I thought I'd give these a try, despite expecting them to be gimmicky nonsense. They're not gimmicky nonsense. They work as described. Good support (which I appreciate more as I get older and saggier) and no more sweaty scrotum. The only drawback is the price. I'd like a dozen pairs, but I balk at spending £300+ on underpants.
A**W
So pleased with these, I now have 11 pairs. Well worth the investment, and standing up well to wear and washing.
R**Y
Keeps each part seperate in its own compartment, resulting in no sweat build up at the creases, and eliminating the chance of chafing.
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