fits like it should and very comfortable

This works very well for what it was intended for. Very tight, but that is necessary to hold the weapon.

I have purchased two of these now. Comfortable, very good length, easy to use.

The first one was a 3xl. I'm a big guy, 360lbs, 6'2". The 3xl is a touch on the snug side, but not so much as to be uncomfortable or constricting, but I thought getting a 4xl might provide a little better fit.

Boy, was I wrong. I don't know if the 4xl was just mis-marked, but it was smaller than my 3xl; I couldn't even get into it.

I just returned the 4xl, should be receiving a refund shortly.

The second shirt was a real disappointment after the first shirt. I hope they get this figured out.

unless you are wearing an extra large t shirt this is not for your every day CCW. I purchased this with the intent on wearing it with some type of button down shirt that needs to be tucked in. I carry a Glock 26 and I think the 43 would have been a better fit for where the weapon sits. Anything above the 26 in size and I don't think it will be comfortable or concealable. As for the shirt material, it is heavy than the typical compression shirts I wear (I'm assuming to hold up to the extra additions) and I have not worn it for more than a few hours. The true test will be if it absorbs the body odor like UA shirts do. After a while you need to throw them out because you can't get the stink out. All in all not a bad product but I would like to try a few other designs before making my final choice for a CCW undershirt.

I don't normally write reviews, but I'm posting this in hopes that my trial-and-error with these compression shirt holsters will save time for someone else.

The short version: I know it's counterintuitive, but the most effective concealment with these shirts is achieved when the weapon is NOT held tightly against your torso "” it actually needs to droop a little under your armpit, but not too much "” and this is affected by the size and weight of your gun, as well as the tightness of the compression shirt.

The long version:

My concealed carry weapons are a Glock 19 (Gen 4) 9mm and a S & W Bodyguard .380. I am a male, 5' 10" and 165 pounds. I am not ridiculously fit, but neither do I have much of a gut. For my particular build and choice of CCW, I have found that AIWB (Appendix Inside the Waistband) is the best method of concealment under MOST circumstances. I wanted the compression shirt holster for those exceptions when my clothing makes AIWB impractical "” e.g., when I'm wearing a dress shirt that's tucked in (no, the "bloused" part of my shirt does NOT effectively cover the handle of the pistol or the AIWB holster clip that goes over the outside of my belt), or workout apparel such as sprawl shorts, track pants, etc. "” and also for those moments of extra paranoia when I want to walk around with multiple CCWs in various locations on my person.

I initially ordered a medium sized shirt. I still have yet to actually receive a medium. But my experimenting with both an XL and small shirt revealed something unexpected: The weapon is MORE visible when it's held snugly against my ribcage. When it's allowed to hang a little, it is much better concealed, even though it feels less secure.

I didn't notice at first that they sent me an XL instead of a medium. The shirt fit a little loosely, especially for a compression shirt, and my .380, with a full 6-round magazine plus one in the chamber, dangled somewhat. (I didn't even try the Glock 19. Even though it's a subcompact 9mm, I thought there was no way it could be concealed under my armpit.) But when I put a dress shirt on over top, the gun was very difficult to see. Still, I wondered if a tighter shirt would work even better. Thinking I had a medium, I ordered the next size down.

The small shirt fit better than the XL, and was similar to the other medium compression shirts I like to wear instead of T-shirts under button-down and polo shirts. And the .380 was held much more securely against my body. So imagine my surprise (and minor disappointment) when the grip of the firearm could be seen easily once I donned a dress shirt. I tried again with the first shirt "” only then noticing it was an XL "” and sure enough, the gun felt looser and it all but disappeared.

On a whim, I tried the Glock 19 with a full 15-round mag in the size S shirt. It drooped in much the same way as the .380 Bodyguard did with the size XL, and to my amazement, the larger 9mm became invisible when I stood still or walked with my hands in my pockets or my arms casually at my sides. Only when I reached forward did the back of the slide and rear sight creat a slight bulge in my shirt, as did the bottom of the mag when I reached backward.

At this point, I'll probably keep both shirts. Also, I think further experimentation with either a large or medium shirt is unnecessary "” I believe I've already found the best ratios for the weight of each firearm and the tightness of the compression shirt.

I hope all of this helps!