Joe P.
Perfect fit
Perfect fit, material is soft, stays tucked all day. The most comfortable undershirt I've ever worn.

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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Joe P.
Perfect fit, material is soft, stays tucked all day. The most comfortable undershirt I've ever worn.
Steve
Without a doubt, UnderFit shirts my absolute favorite t-shirt. High quality, lightweight, soft, and durable are just a few descriptors that come to mind. They are worth every penny and a must in my personal wardrobe.
UnderFit C.
These shirts started out fitting nicely but they are very thin and wear out and stretch long within the year. I have small holes in a couple from washing (vs. traditional Hanes undershirts that I've had 3x longer which have no holes). The initial fit is excellent but for the money I would like to have seen the durability be much better. The ROI for the price just isn't there.
Response from UnderFitMar 22, 2018
Dear Customer, Please email me directly at [email protected]. As you can see from the dozens of reviews speaking to the longevity of the shirts, I suspect you may have some imperfect units. The Hanes shirts are very durable because they are cotton, which is stronger and much less comfortable than our shirts. There is a tradeoff with durability and comfort unfortunately. The stronger fabrics aren't nearly as comfortable. Thank you
UnderFit C.
Cool, comfortable material that really fits well, with seams that accentuate your body.
UnderFit C.
Products are great. I stared to wear the shirts and underwear for work but now I have started to wear them for everyday use with all my clothes.
UnderFit C.
I love these t-shirts! I wish they were a little less pricey, but I haven’t found anything else that’s as light, airy, and comfortable! Look and feel great!
UnderFit C.
I ordered the 5 pack and that was my mistake. I should’ve stuck to the 1 shirt at a time. Seems like these shirts come from two different manufacturers. The best one is the one with the logo on the bottom corner of the shirt. The ones I received however have it on the back of the neck, and they come so long that they come to my husbands knees. I will never order a 5 pack to save “money” again.
Response from UnderFitMar 22, 2018
Dear Customer, You must have received a shirt with the wrong size label input. This has happened a few times in the past. The shirts should be the same size, despite the logo location. I suspect the wrong label was inserted into the shirt you received if they are down to your husband's knees, as none of our shirts are designed that way. Please email me at [email protected] so we can get this fixed for ya.
Tony S.
The very best undershirt I have ever owned. It fits so well and comfortable that it feels like you don’t have it on.