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At some point in history—and we’re not sure when—mankind grew accustomed to mediocre underwear. Flimsy cotton and constant chaffing were no longer problems, but simple facts of life. Luckily, these high-performance trunks were designed to break the slump, using microfiber fabric and a host of clever upgrades to keep you dry, supported, and superbly comfortable. Don't know your size? Check out our Sizing Guide.
These would be perfect if the crotch opening was vertical instead of horizontal. Just don't like the horizontal opening. Doesn't work for me.3
Very comfortable & well-fitting boxer briefs. Handy pocket for holding a key when wearing pocketless pants. Interesting fly design works for me.3
Material is very comfortable and make great sleepwear. Didn't feel they keep my stuff where it needed to be/stay during normal wear.3
Supportive, stylish and comfortable, all in a single product. The pocket is great for cash, a key, or my nano during a run. I don't use this as my regular daily base layer, but for the work out, it is tops!3
These boxers are really great. They seem to be made very nicely. The only problem with them for me is that I have larger legs. I work out frequently and my legs are larger. These boxers ride up entirely way too much for someone of my build. They seem to be fine for someone with a smaller build.3
Overall great feel and wears really well. The only thing I don't like so much is how the front is sewn. It isn't the most flattering for the "jewels."3
These performance trunks are great and versatile. Wear them under a suit or to the gym. The only drawback is the price. You can find performance/sport underwear that are similar in quality for half the price.3
I liked these and I'm glad they came in my box, but I won't be adding to this one. They're comfy and if the need ever arose I'm sure being able to put a key or hotel card in my underwear would be handy.
These were alright, but I much prefer the Me Undies brand underwear also available from Birchbox. They fit better and feel nicer.3
Tried these for my daily yoga class, and was amazed at how comfortable they were. They moved with my body and contorted into all those crazy yoga positions without causing my any discomfort such as riding up or stretching out. Washed well and came out of the dryer as good as new. Will definitely be ordering a few more pairs.3