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2UNDR Mens Power Shift 9" Boxer Long Leg Underwear
2UNDR Mens Power Shift 9" Boxer Long Leg Underwear
  • No Closure closure
  • JOEYPOUCH - Construction to support your equipment in comfort and style. The innovative design elevates and separates a mans most valuable assets to deliver the perfect fit while preventing unwanted skin contact
  • ATHLETES IN MIND - Worn by some of the biggest names in sports. Compression like style, fits tight, suggested sizing up for increased comfort. Breathable Athletic Mesh Back Panel. Temperature Control.
  • BAND - 2UNDR uses the highest quality yarn in our roll-resistant waistbands. The comfort is unrivaled and reinforced, to maximize flexibility and feel.
  • FABRIC: 90% Polyester, 10% Coldskin fabric by Garmatex to enhance the ventilation in our Power Shift model. The thermal reduction fabric promotes extra cooling where excess heat builds up and can reduce the skin temperature by up to 6 degrees.
  • STITCHING: 2UNDR flat locked stitching and construction seams are intelligently placed to avoid potential rub zones for a seamless look and feel.



Power Shift with Coldskin thermal reduction fabric was created specifically with exclusive feedback from our professional athletes. The performance poly blend provides the best support and quick-dry performance suited for top levels of competition. The compression like feel combined with the Joey Pouch and Swass Patch reliability delivers in the clutch.


Coldskin fabric by Garmatex to enhance the ventilation in our Power Shift model. The thermal reduction fabric promotes extra cooling where excess heat builds up and can reduce the skin temperature by up to 6 degrees. 


The Joey Pouch is a soft and comfortable environment for your most valuable assets. Constructed with premium fabrics, the pouch delivers the perfect fit while preventing unwanted skin contact (Patent-Pending). 


A good band can make all the difference. 2|UNDR uses the highest quality yarn in our roll-resistant waistbands. The comfort is undeniably soft and reinforced, to guarantee flexibility and feel. 


The Stitching provides the highest quality finish with a seamless look and feel. Our flat locked stitching and construction seams are intelligently designed to avoid potential rub zones.


Always separate the whites from the darks and wash separately

Wash with cold to warm water, not hot.

Machine wash on the delicate cycle.


BEST: Air dry in the shade. Yes, seriously.

IN A JAM?: Tumble dry on the cool to warm fluffing cycle and remove immediately after.

  • Is Discontinued By Manufacturer: No
  • Package Dimensions: 7.52 x 4.49 x 1.69 inches
  • Date First Available: February 2, 2018
  • ASIN: B079JWL6VM
  • Amazon Best Sellers Rank: #66,731 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry)
    • #429 in Men's Boxer Briefs
    • #17430 in Men's Shops

    I really wanted to like these after having other 2Undr products that I really liked. These fit really weird and awkward once I start to move around in them. Upon first installation they seem alright, but from there it's all downhill. To put this blatantly, my junk sits a little lower on my body than the average. I base this on how other brands of supporting underwear fits in that I get pushed up. The pouch area on these is very long so it does not provide any real cupping support as the pair of Swingshifts I have do (and the do it very well I might add).

    The fit is fine, I wear a 2XL in the Swingshift and the same here. I was surprised at how little compression these actually had considering the Power Shift is supposed to be the performance version.

    My biggest complaint though by a mile is that the fabric has no real stretch to it despite having 10% Elastane in it. When I bend over everything just stays where it is at and does not give and I get severe plumbers crack. It doesn't even rebound any when I stand back up causing me to have to continually pull these up during the day. This is with just an office job. There is no way I could possibly consider wearing these to the gym or for any sort of activity.

    I give these two start only because the fabric is decent at breathing and staying cool plus the fly is well designed. They would only be alright if I wore them on a hot day where I did not move around much. I wish I had returned them during the return period however.

    Most expensive and least durable underwear money can buy. They look well made and are extremely comfortable however they have no durability in the least.

    I wash with only cold water and put through dryer with airfluff very low heat setting. After wearing them for the first time I noticed a strand coming out of the seam so I trimmed it off, assumed it was just a minor manufacturing error.

    By the 3rd time I had more issues like this again trying to preserve them I did not pull on strands and trimmed them off.

    This pattern continued after almost every time the were worn. Over a period of 3 months I wore them 13 times be fore they succumbed to a substantial hole down the back seem. How the heck do you pay this much for underwear and it can't last being worn 13 times!!

    In other words this is a complete and utter disappointment. I will never buy agian and was so upset I actually made a review which I practically never do.

    Used to love these, the fabric and fit are fantastic. BUT... the quality has gone straight down hill. They are now shoddy made.
    The seats in the seat split open after a few wearings, the the stitching starts to unravel. At $32 per pair, that's completely unacceptable. The 2UNDR customer service is rude and could not care less.
    BUY ANOTHER BRAND - way too expensive for this nonsense. Not a nice company to deal with
    I WROTE THE ORIGINAL REVIEW MID JANUARY - not surprising, this company still choose not to respond or do anything for satisfaction. Since they blew me off, I have started experimenting with other brands, there are LOTS of good choices, and no need to pay their really high prices.

    I have ordered this same brand of underwear for a couple of years and it just keeps getting better. I have had dramatic weight loss and as I sized down each size fit as good as the original in a larger size. I have finished the weight loss and have ordered all new underwear and couldn't be happier. They are so comfort and the pouch design works very nicely, especially with the fly access. These will be the only underwear that I buy from here on out. You won't be disappointed.

    I do NOT spend this much on a pair of underwear. But I misread and thought I was getting 2 pair. It is ONE pair, but if you like long leg boxer briefs, this is the pair to buy. They ARE long, they stay at the waist without slipping and the pouch works. I hate to take them off for another brand's pair. Great fit for the money.

    All the pictures of these BB look great, but don't let the pictures fool you. First time pulling them on and they rip as I'm pulling them up my leg. Very poor quality. I should have stuck with SAXX but I wanted to try something new. Oh Well. Shame on me.Power Shift 2.0-9 Long Leg (3XL, Dark Green)

    I purchased these for my son and he absolutely loved them. However, after only two wears the seam, especially in the rear, are unraveling. While I am capable of doing the repairs, I don't feel I should have to given the amount I paid for them. Originally, I initiated a return via Kohls drop off which was approved. Due to the kohl's shut down, I subsequently received an email from Amazon instructing me to cancel my return and restart the process via a different means of return. Only this time, my return request was denied.

    To loose/large/long. The pouch is to large, you easily slip out if you do anything but stand still. See pictures attached. The blue is PowerShift the black is gearshift. Power shift has a 6 inch long pouch vs 4.5 inch. Unless you are extremely hung (I'm 8inch) these are to loose the Gearshift fits better. The material on the PowerShift is nice tho it really does feel cooler as it is made with crushed jade...