Jba
Best undershirts period.
Fit really well, not baggie, do not bunch up or ride up, wash beautifully. Worth the money.

UnderFit undershirts are cut longer and lightly hug your hips and below, to stay tucked in all day. Our fabric is ideal for undershirts due to its exceptional softness, advanced moisture absorption, odor resistance and superb breathability. If you want to remain less comfortable in your run-of-the-mill undershirt, by all means, DON’T buy an UnderFit.
UnderFit (underfit.com) has 365 customer reviews on Five Star Index, with an average rating of 4.5 out of 5.
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Jba
Fit really well, not baggie, do not bunch up or ride up, wash beautifully. Worth the money.
Rich N.
Customer service is off the charts great!
Dutch
UnderFit shirts are the best. They are better than any other undershirt I've ever bought. They fit close without making you feel like you are wearing a compression T. You don't have all that extra loose shirt stuffed into your pants so you stay cooler. The material helps keep you cooler too. The extra large opening on the V-neck is also a plus. You don't have to keep pulling your T down to hide it under your shirt. I will be ordering more UnderFit shirts very soon.
Zachary P T.
Collected a few different undershirts from all the highly rated brands within this category. I chose UnderFit due to the fit as it pertains to MY body shape/size. The materials are of high quality, the stitching in tact, and as an added bonus it is made in the USA! I also reached out with questions for a follow up purchase and was responded to promptly with great detail and care for my inquiry! You will not regret your purchase! Highly recommend to prospective buyers.
Mike F.
I found the shirts to be extremely comfortable and I wear them every day. I have ordered 10 so far, but I did notice on my second order the length did shrink up a bit. First wear they fit perfectly; however after a few times through the drier and being 6'6", I did notice they shrunk up more than I would prefer. So based on your response, I wasted $130 buying 5 shirts defective shirts due to a bad production run?? Knowing this, next time I will go to Untuckit where they stand by their guarantee that the shirts are quality and wont shrink.
Response from UnderFitSep 29, 2016
Hey Mike, I'm going to email you right now and make this right and get you a better fit. I don't think the shirts on your second order shrunk, they might have been cut a bit short. Shoot me an email back and we'll figure this out. Thanks!
Brian
The fabric is high quality. I was worried they would wear our quickly due to thin material. But so far, they have maintained their shape, fit and finish. I enjoy wearing them under my work shirts even in warmer months.
Nate C.
I finally settled on trying UnderFit shirts after a bunch of Google research and 15 years of wearing disappointing hanes or fruit of the loom undershirts. I bought the work week 5 pack in V neck and haven't gone back to the old shirts. They are extremely soft, stay tucked in and through at least two washes, they've seemed to maintain their quality. I'm 5' 11" 195 with fairly athletic build and the large fits great. The V neck is aggressive enough that I wouldn't wear it as a standalone shirt, but I bought it to be an undershirt and I've been recommending to friends already.
Bill
From fit to washing...it's awesome...and the customer responsiveness is even better.