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If you've been looking for the best undershirt for managing your sweaty pits, then the search is over.
The American-made Thompson Tee features a unique and effective "sweat guard" design that makes it the best undershirt you can buy for protecting your nice shirts from unsightly perspiration.
If you regularly wear button-up shirts, then good undershirts are a must. Wearing an undershirt is one of the best ways to maintain and protect your nice shirts, particularly your dress shirts, from sweat and your deodorant, which can discolor the fabric and wear it out over time. By creating a barrier between your sweat and the underarms of your button-up, undershirts also help to ward off the dreaded "wet pits" look.
Unfortunately, like many other everyday clothing items, a lot of guys treat undershirts as an after-thought. If you're looking for a better way to stay comfortable and protect your nice shirts, then you've found the right place. Before we get into our picks, however, here are some quick guidelines to follow when selecting an undershirt that's right for you:
- Keep it fitted. Your dress shirts should be trim, not baggy and blousy, and so it stands to reason that you don't want big, billowy undershirts, either. Many brands today are offering slimmer modern cuts for their clothing, and undershirts are no exception. Go with something more tailored or even opt for snug-fitting stretch undershirts which hug your torso like a glove.
- Avoid white. White is probably the most common color for undershirts. It's also probably the worst. We've all seen it: The guy wearing a white or blue dress shirt with his white undershirt sleeves shining through like the sun. This is because white is a high contrast color that shows up very easily under other materials. Play it safe and keep it gray. This low-contrast shade will blend in much more easily so you're not getting those unsightly "undershirt lines" under your dress shirt sleeves.
- Go with a V-neck. People have a lot of opinions about men sporting V-necks for casual wear, but for undershirts, it's pretty much a requirement – especially if you're going sans necktie, which you'll probably do fairly often. Having the top your undershirt peeking out behind your dress shirt collar screams "my mom made me wear a button-up shirt today," but a V-neck cut keeps it nicely out of view below the neckline. If you already have a bunch of crew-neck undershirts, relegate them to casual wear or toss 'em.
Keeping these guidelines in mind, we've done the research and smoked out the best undershirts for men that you can buy today. Undershirts are fairly straightforward pieces of clothing, but we've made sure that our top picks cover a range of different styles, fabrics, and price points so you can find the right one for your tastes and budget.
Here are the best undershirts you can buy:
Read on in the slides below to check out our top picks.
The best undershirt overall
Why you'll love it: With soft and breathable natural fabric, a trim cut, an under-arm sweat guard, and all-American construction, the Thompson Tee V-neck is the last undershirt you'll ever need to buy.
Arguably the main reason to wear an undershirt is to prevent your sweaty pits from showing through your nice button-up shirt by putting a layer between your skin and your clothing. Managing sweat while looking nice is an ever-present challenge in the summer (especially in a suit), but even in the cooler months, your body can get pretty warm when you're indoors wearing long-sleeved shirts and suit jackets.
If this is a particularly big problem for you, then even a normal undershirt may not be enough. Enter the sweat guard from Thompson Tee. Its unique design is purpose-built to target the biggest problem area for perspiration, the under-arms, with a second layer that serves as a "sweat pad" to put some more material and distance between your skin and your nice shirt.
The trim cut is form-fitting and long enough to tuck, too, while the V-neck is suitably deep so it won't be peeking out from under your shirt collar.
Another thing we like about the Thompson Tee is that it's woven of soft combed cotton, with the under-arm "sweat pads" made of bamboo-derived rayon with a touch of spandex for stretch and flexibility. This is a plus, as natural fibers like cotton will almost always breathe better than synthetic fabrics like polyester and nylon.
Even better, the Thompson Tee is 100 percent made in the United States. You'll pay for it, though. The Thompson Tee undershirt rings in at around $30 on Amazon, but it's worth it. If sweat is a problem and you're looking for the "holy grail" of undershirts, then this is probably the last one you'll ever need to buy.
Pros: Made in America, woven of soft combed cotton with a bamboo-derived rayon sweat guard, the unique design is highly effective at managing under-arm sweat, and it's got a great form-fitting cut
Cons: It's fairly expensive
The best undershirt multi-pack
Why you'll love it: If our other picks cause sticker shock, these soft, lightweight, no-nonsense undershirts from David Archy are an excellent and super-affordable alternative.
One of the general rules of menswear is to avoid synthetic fabrics. While this is good advice, it mostly applies to larger, nicer outer garments such as shirts, slacks, business suits, sweaters, and so on. For clothing items like these, synthetics are typically used to cut costs rather than for any particular qualities.
Although synthetic fabrics have a bad rap in the menswear scene, they do confer some advantages for certain pieces of clothing. Synthetics are durable, they dry quickly, and they're useful for garments where you want some stretch such as socks or athletic wear.
Modal in particular is a semi-synthetic fabric well-known for its softness and elasticity. Modal is actually a form of rayon, which is made from cellulose in contrast to more common polymer-based synthetics like nylon. It's also more breathable, with these characteristics combining to make it the perfect candidate for undershirts like these ones from David Archy.
David Archy undershirts are made of a soft micro-modal fabric with a touch of elastane. Micro-modal is silkier than plain modal fibers — it's even softer to the touch than cotton — and offers moisture-wicking properties that manage sweat and let it dry quickly instead of soaking up moisture. It's thin and light without being transparent, although it's best to tumble dry these and then hang them up damp to air-dry rather than drying them with heat.
The V-neck is suitably deep and the David Archy shirts are slimmer than most other multi-pack undershirts from popular brands like Hanes, the cuts of which tend to be a bit boxier than most, but these undershirts don't have much of a taper in the body. You may want to consider sizing down if you're between sizes. The sleeves are also nice and slim-fitting so you don't get a bunch of material bunching up around your arms under your dress shirt.
Pros: Made of a breathable and soft micro-modal fabric, the cut is fitted and long enough to stay tucked, and they're a solid value at about $13 per shirt
Cons: The fit is nothing special, and the micro-modal shouldn't be put in a hot dryer cycle
The best quick-dry undershirt
Why you'll love it: If you need an extra hand dealing with body sweat, then the Uniqlo Dry tee is a great alternative to all-cotton options.
All of our picks, be they made of natural of synthetic fabrics, are good at helping you to manage body heat. But if your engine runs particularly hot or you live in an area that can get especially sultry in the summer, then materials like cotton or modal might not provide enough relief.
The Thompson Tee sweat guard undershirts are great, but the sweat pad design places thicker material under your arm. If you need something lighter and specifically made to be quick-drying, then Uniqlo has you covered with its aptly-named "Dry" line of cotton/polyester shirts.
Don't let the polyester scare you: The Uniqlo Dry V-neck shirt isn't some stiff plastic-feeling number. It's actually mostly light and breathable cotton woven with some polyester, which is what provides the moisture-wicking and quick-drying properties of the shirt with the cotton leaving it feeling like your favorite broken-in tee.
Note that the Uniqlo Dry V-neck shirts are not designed solely as undershirts and are cut and sized like normal tees. Consider sizing down for undershirt use, as their lightness, softness, moisture-wicking properties, and quick-drying fabric make these perfect for this. And, at only $6 a pop, they're by far the best value of all of our top undershirt picks.
Pros: Lightweight cotton/poly blend material is moisture-wicking and quick-drying, and it's an incredible value at $6 per shirt
Cons: The tee-like cut is more boxy than our other picks
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