The Undershirt: Is it Necessary? When to Wear One

mens undershirt

There are different opinions regarding men’s undershirts. Some people say it’s outdated and unnecessary, while others believe it is essential to a man’s wardrobe. At first glance, you might not see why an undershirt would be something you need daily, but there are valid reasons why you should own at least one.

Why do guys wear shirts under dress shirts? Men’s undershirts or t-shirts have a dual purpose. In humid conditions, they keep the sweat from showing on the outer shirt and provide an extra layer to avoid chafing while keeping you warm in colder climates.

In this article, we recommend the five best men’s undershirts to buy, and we share why it’s necessary and when to wear one.


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5 Best Undershirts For Men


Hanes Cotton Crew Undershirt

Hanes Men's White T-Shirt Pack (Colors Available), Moisture-Wicking Shirts, 100% Cotton Undershirts for Men, Multipack

Are you looking for the perfect everyday men’s undershirt? Look no further than Hanes Tagless Cotton Crew Undershirt! Soft and breathable, these cotton tees will keep you comfortable in any climate. The value pack comes with anywhere from 3 to 12 tees, depending on which pack you choose, making them the ideal addition to your wardrobe. Each shirt is also made with Cool Comfort technology to wick away moisture and keep you cool and comfortable all day. So why wait? Order your Hanes Tagless Cotton Crew Undershirt today!

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Fruit of the Loom Men’s Casual

Fruit of the Loom mens Pocket T-shirt Multipack Underwear, 6 Pack - Assorted Colors, XX-Large US

Are you trying to find a comfortable and breathable undershirt? Look no further than the Fruit of the Loom Men’s Casual. Made with Breathable Eversoft Ringspun Cotton, these undershirts are lighter for comfortable layering and Tag Free for Added Comfort. Also, the Fruit of the Loom Men’s Casual Undershirts is Moisture Wicking, keeping you cool and dry all day. Fruit of the Loom Men’s Casual Undershirts is ideal for keeping cool at the office or on the go.

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Lacoste Slim Fit V-Neck T-Shirts

Lacoste Men's Essentials 3 Pack 100% Cotton Regular Fit V-Neck T-Shirts, White, L

Lacoste has always been known for their high-quality, comfortable shirts. The ESSENTIALS line is no different, with its 100% pure cotton rib fabric and a classic fit. The superior softness of the fabric provides total comfort, while the subtle waistband boasts a classic design. The Slim Fit V-Neck T-Shirts are perfect for any occasion, whether you’re dressing up or dressing down. And, of course, the included embroidered heat-sealed signature green crocodile at the bottom hem is a nice added touch.

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Calvin Klein Men’s Slim Fit V Neck T-Shirt

Calvin Klein Men's Cotton Classics Short Sleeve V-Neck T-Shirt, White (3 Pack), Medium

Calvin Klein Men’s Slim Fit V Neck T-Shirt! This pack of 5 t-shirts is perfect for those who want a comfortable, breathable undershirt that is durable and ideal for everyday wear. The t-shirts are soft and breathable cotton and feature a sleek and stylish slim-fit design. Whether you are dressing up for a special occasion or want a comfortable and elegant undershirt to wear daily, you can choose from various assorted colors. The Calvin Klein Men’s Cotton Slim Fit V Neck T-Shirt is perfect.

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Polo Ralph Lauren Classic Fit Undershirt

POLO RALPH LAUREN Classic Fit Undershirt w/Wicking 3-Pack Crews 3 White/Cruise Navy Pp LG

We all know that feeling of getting dressed in the morning. You want to look good, but you also want to feel good. That’s why we created the Polo Ralph Lauren Men’s Classic Fit Undershirt. This undershirt is made with 100% combed cotton, which is soft and comfortable against your skin. It also has a moisture-wicking design that keeps you dry and comfortable all day. The pull-on closure makes it easy to put on, while the crew neckline and short-sleeve design make it perfect for any outfit. So whether you’re dressing up or dressing down, add the Polo Ralph Lauren Men’s Classic Fit Undershirt to your wardrobe

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Jockey 100% Cotton A-Shirt Tank

Jockey Men's T-Shirts 100% Cotton A-Shirt Tank - 4 Pack, White, XL

The Jockey 100% Cotton A-Shirt Tank is an essential first layer under sweaters, flannels, and dress shirts. Or, wear it alone for cool, comfortable sleeping. Pure cotton rib knit features StayNew technology that fights pilling and fading. It helps keep it looking new, wash after wash, and moisture-wicking Staycool technology allows you to feel more relaxed and drier. The sleeveless design is perfect for hot summer days, while the scoop neckline and comfortable fit make it easy to wear. Whether at home or on the go, this tank is a must-have.

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Are You Supposed To Wear A Shirt Under A Dress Shirt?

If you are not planning to exercise, you should not wear a dress shirt. Suppose you are participating in physical activity or your work requires you to lift or move heavy objects constantly. In that case, you’ll want to ensure that your undershirt won’t ride up when you raise your arms. If this is the case, you should wear a compression shirt underneath your dress shirt.

When Should I Wear Undershirts?

If you are wearing a regular t-shirt, there is no rule to determine when you should wear one. However, there are a few instances when wearing an undershirt is a good idea. If you’re lucky enough to work in an office that allows casual dress on Fridays, you may have noticed that some people choose to wear button-down shirts with jeans. 

While this is not a bad look, it is not something most people have in their wardrobes. If you want to look put together without wearing a dress shirt, wearing a t-shirt under your button-down shirt is a great alternative. People who work in hot or humid environments also benefit from wearing a t-shirt. 

It will help prevent sweat from reaching your dress shirt, so you don’t have to worry about stains or smells. It will also help keep you cool and comfortable throughout the day.

Related Read: A Man’s Guide To Wearing Undershirt With Dress Shirt

How Do Sweat Proof Undershirts Work?

 The secret is in the fabric. In sweatproof undershirts, the moisture-wicking fabric absorbs moisture and keeps the sweat from clinging to your body. In addition to resisting stains and odors, this fabric keeps your shirt looking and smelling fresh all day. As a result, you won’t have to worry about getting too hot or uncomfortable while wearing these shirts. They are also lightweight and breathable so they won’t weigh you down. With a sweatproof undershirt, you can stay cool, dry, and confident all day long.

Sweatproof undershirts are the perfect solution for anyone who has ever suffered from embarrassing sweat stains or odors and feels confident and comfortable all day long. 


Should An Undershirt Be Tight Or Loose?

The short answer is loose. An undershirt should be flexible enough that it doesn’t show through the fabric of your dress shirt. If you have a larger build, look for a looser t-shirt for additional coverage. There are a few exceptions to this rule.

 If you’re wearing a compression undershirt, it should be tight enough to provide additional support. If you’re wearing a slim or fitted dress shirt thats comfortable, you may want to wear a slim or fitted undershirt to avoid bulkiness. If you’re wearing a v-neck undershirt, it should be tight enough that it doesn’t show through the neckline of your dress shirt.


What Fabric Is Best For Undershirts?

For dress shirts, cotton will always be the fabric of choice. It is comfortable, breathable, and easy to care for. For t-shirts, you should choose between a cotton blend or a synthetic material. A cotton blend is usually cheaper and more durable than pure cotton. 

Synthetic fabric is a better choice if you plan on wearing your undershirt for sports. It will wick away moisture and keep you cool.


What Colour Undershirt Is Best?

Whether you wear a white or colored undershirt is a decision you must make based on your style. White is the most common color for t-shirts. It is the color you will find in most department stores. Colored t-shirts are available, but you may have to shop online.

 If you want to experiment with different colors, a colored t-shirt can be a great way to add a pop to your style.


Why Do Guys Wear Shirts Under Dress Shirts?

As mentioned above, an undershirt serves two main functions. First, it will help absorb your sweat and keep you cool. Second, it will provide an extra layer of warmth in colder climates. When you wear a dress shirt, the fabric is usually thinner than a t-shirt.

 It will help trap your body heat and help keep you warm in cooler temperatures. An undershirt is a thicker fabric, which will help prevent your body heat from transferring to the dress shirt. It will also help protect your dress shirt and make it last longer.


Is Wearing Under Shirt Necessary?

There are a few instances when wearing an undershirt is necessary. Suppose you have hyperhidrosis (excessive sweating). In that case, an undershirt can help reduce the amount of sweat that reaches your dress shirt and extend the life of your garments. Suppose you are overweight or have a larger build.

 In that case, a tighter undershirt will help you avoid the “muffin top” look and make you look more proportionate. If you have a hairy back, an undershirt will help prevent your hair from transferring to your dress shirt. If you plan on exercising, consider wearing a compression shirt to avoid the shirt riding up your back.



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