The 8 Best Men's Undershirts in 2025

The 8 Best Men's Undershirts in 2025

  1. Hanes ComfortSoft Crewneck Undershirts

  2. Tommy John Second Skin V-Neck Undershirt

  3. Uniqlo AIRism Crew Neck Undershirt

  4. Calvin Klein Cotton Classics Crew Neck Undershirt

  5. Mack Weldon SilverTech Undershirt

  6. ExOfficio Give-N-Go Boxer Brief Undershirt

  7. L.L. Bean Pima Cotton Crewneck Undershirt

  8. Saxx Vibe Boxer Brief Undershirt

Let's be honest, undershirts might not be the most exciting piece of clothing in your wardrobe, but they're arguably one of the most important. 

A great undershirt serves as the foundation of your outfit, protecting your dress shirts from sweat stains, providing an extra layer of warmth when needed, and making sure you feel comfortable throughout your day.

Did you know? The average man owns only 8-10 undershirts, yet wears them almost daily. That's a lot of wear and tear on a relatively small rotation of garments!

8 Best Undershirts for Men in 2025

Now that we know the key features to look for, let’s get to the good stuff; our top picks for the best men’s undershirts of 2025.

1. Hanes ComfortSoft Crewneck Undershirts

Best for Everyday Wear

When it comes to comfort, you can’t beat Hanes. The ComfortSoft Crewneck Undershirts are made with soft, breathable cotton that feels great against your skin. 

The fabric is designed to minimize shrinkage, so these shirts stay true to size after multiple washes.

Pros: Affordable, soft cotton, tagless design (no itching), available in multi-packs.

Cons: May not be as durable as some premium options.

2. Tommy John Second Skin V-Neck Undershirt

Best for a Sleek Look

Tommy John is known for its high-quality, stylish undergarments, and their Second Skin V-Neck Undershirt is no exception. It’s made from a blend of modal, cotton, and spandex, giving it a smooth, almost luxurious feel. 

The V-neck design is a lifesaver, no awkward collar peeking out from under your shirt, so you get that smooth, clean look every time. 

Plus, the lightweight fabric keeps you feeling cool and comfortable all day long, whether you're in a meeting or out on the town. It's a perfect balance of style and practicality.

Pros: Ultra-soft fabric, excellent fit, V-neck design for low-cut shirts.

Cons: Higher price point.

3. Uniqlo AIRism Crew Neck Undershirt

Best for Hot Weather

Uniqlo’s AIRism line is perfect for those who need an undershirt that’s moisture-wicking and breathable. 

The fabric is designed to keep you cool by pulling moisture away from your body, which makes it perfect for wearing in hot and humid climates. 

The material is lightweight and dries quickly, so you won’t be left feeling sticky.

Whether you’re strolling through a tropical city or just trying to survive the summer heat, the AIRism undershirt ensures you stay cool and collected. It's like a personal air conditioner for your body!

Pros: Breathable, moisture-wicking, quick-drying, affordable.

Cons: Thin fabric might feel too lightweight for colder temperatures.

4. Calvin Klein Cotton Classics Crew Neck Undershirt

Best Premium Option

Calvin Klein’s Cotton Classics Crew Neck Undershirt offers a premium feel without breaking the bank.

Made from soft, high-quality cotton, this undershirt is designed to fit snugly without being too tight. It’s perfect for wearing under dress shirts or casual T-shirts.

Pros: Soft cotton, durable, classic fit, tagless.

Cons: Slightly more expensive than basic brands.

5. Mack Weldon SilverTech Undershirt

Best for Odor Control

For men who work up a sweat, the SilverTech Undershirt from Mack Weldon is a game-changer. 

Infused with silver, a material known for its natural antibacterial properties, this undershirt actively fights odor, keeping you smelling fresh even after a long day of wear or intense physical activity.

It’s not just about keeping you fresh though. The SilverTech also breathes and wicks moisture away, so you’ll feel comfy even on the hottest days or during a sweat-inducing meeting.

Plus, it fits well under anything, giving you that extra layer of comfort without feeling bulky.

Pros: Odor-fighting, breathable, moisture-wicking.

Cons: Higher price point.

6. ExOfficio Give-N-Go Boxer Brief Undershirt

Best for Travel

The Give-N-Go undershirt from ExOfficio is a must-have for travelers. It’s made with quick-drying, moisture-wicking fabric that’s designed for comfort and ease.

The best part? You can wash it in the sink and have it dry by morning, ideal for on-the-go situations.

Pros: Quick-drying, breathable, perfect for travel.

Cons: Fit may be too loose for some.

7. L.L. Bean Pima Cotton Crewneck Undershirt

Best for All-Day Comfort

L.L. Bean’s Pima Cotton Crewneck Undershirt is soft, durable, and comfortable for all-day wear. Pima cotton is known for its luxurious feel and longevity. This shirt is perfect for those who want a quality undershirt that stands the test of time.

Pros: Super-soft Pima cotton, durable, fits well under shirts.

Cons: On the pricier side.

8. Saxx Vibe Boxer Brief Undershirt

Best for Active Men

Saxx is known for making some of the most comfortable underwear, and their Vibe Boxer Brief Undershirt doesn’t disappoint.

Made with a blend of modal and spandex, this shirt has a great fit and stretch. It’s perfect for athletic men who need an undershirt that can keep up with their movements.

Pros: Super comfortable, moisture-wicking, stretchable fabric.

Cons: Higher price than basic brands.

Why You Need a Good Undershirt

Before we dive into the options, let's talk about why an undershirt is a must-have in your wardrobe.

1. Comfort

Undershirts provide an extra layer between your skin and your outer clothing, which can feel particularly nice if you’re wearing something rough or uncomfortable (like a wool suit or a scratchy button-up). 

They can also help absorb sweat, which keeps your body feeling fresher for longer. This is especially helpful if you're attending a long meeting, a special event, or even just navigating through a busy day.

Check out this stunning wool suit 

2. Protection

Undershirts act as a barrier between your body and your expensive outerwear. They prevent sweat stains, body oils, and deodorant marks from ruining your dress shirts, blazers, or T-shirts.

3. Style

The right undershirt can help you look smoother and more polished, especially if you're layering it under a button-down shirt or a sweater. A well-fitting undershirt can give you a sleeker silhouette.

4. Temperature Regulation

Wearing an undershirt helps regulate body temperature. In colder months, they add warmth; in the warmer months, they wick away sweat, keeping you dry.

4 Essential Fabric Materials

  1. Cotton Undershirts

Why choose cotton? Cotton remains the most popular undershirt material for good reasons:

  • Natural breathability

  • Soft against skin

  • Excellent durability

  • Easy care requirements

However, not all cotton undershirts are created equal. Look for products using:

  • Pima or Supima cotton for superior softness

  • Combed cotton for reduced pilling

  • Cotton blends that include some stretch fibers for better fit retention

  1. Premium Pima and Supima Cotton

These superior cotton varieties offer enhanced comfort and durability compared to standard cotton. Pima and Supima cotton undershirts feature:

  • Longer fiber length for increased softness

  • Better color retention through multiple washes

  • Enhanced durability and resistance to pilling

  • Superior comfort against sensitive skin

  1. Micromodal Fabric

Micromodal has gained popularity for its exceptional softness and performance characteristics:

  • Incredibly soft texture that maintains comfort all day

  • Superior moisture-wicking properties

  • Excellent shape retention after washing

  • Resistance to shrinkage and fading

  1. Performance Blends

Modern fabric technology has produced various blends that combine the best properties of different materials:

  • Cotton-polyester blends for durability and moisture management

  • Modal-spandex combinations for comfort and flexibility

  • Bamboo-based fabrics for environmental sustainability and natural antimicrobial properties

Fit and Sizing Guide

How Should an Undershirt Fit?

The perfect undershirt fit should be:

  • Snug but not tight

  • Long enough to stay tucked

  • Smooth across the chest and back

  • Free from bunching under arms

Common Sizing Mistakes to Avoid

Many men make the mistake of wearing undershirts that are too loose. Remember:

  • A loose undershirt creates visible lines under dress shirts

  • Excess fabric can bunch up and create uncomfortable pressure points

  • Proper fit ensures better sweat absorption and temperature regulation

How to Choose the Right Undershirt for Your Needs

Picking the perfect undershirt isn’t just about comfort. You also need to consider where and when you'll wear it. Here are some tips to help you make the right decision:

1. For Everyday Comfort

Go for soft cotton undershirts like those from Hanes or L.L. Bean. They’re breathable, soft, and perfect for daily wear.

2. For Hot Weather

Look for moisture-wicking and breathable fabrics. Uniqlo’s AIRism line and Mack Weldon’s SilverTech are great options that will keep you cool and dry.

3. For Odor Control

If you tend to sweat more or want to stay fresh all day, consider investing in undershirts like the Mack Weldon SilverTech or ExOfficio Give-N-Go for their odor-fighting properties.

4. For Formal Looks

Stick with classic, well-fitted cotton undershirts in neutral colors (white, black, or gray). Calvin Klein and Tommy John offer stylish options that work well under dress shirts.

3 Tips for Care and Maintenance:

  1. Washing Instructions

Proper care extends undershirt life:

  • Wash in cold water to prevent shrinkage

  • Use gentle cycle to maintain fabric integrity

  • Avoid fabric softeners which can reduce moisture-wicking properties

  • Air dry when possible to prevent damage from high heat

  1. When to Replace

These are the signs to look for when the time  comes to buy new undershirts:

  • Yellowing around collar or underarms

  • Loss of shape or elasticity

  • Thin spots or holes

  • Persistent odors even after washing

  1. Storage Tips

Proper storage matters. This is exactly why:

  • Fold rather than hang to prevent stretching

  • Store in clean, dry drawers

  • Rotate usage to extend life

  • Keep away from direct sunlight

3 Undershirts for Different Body Types

Do you often struggle to find clothes that fit your physique properly? You may be looking for these styling tips for different body types

Athletic Build:

  • Fitted styles showcase physique

  • Look for stretch materials

  • Consider longer lengths for better tucking

Larger Frame:

  • Choose moisture-wicking fabrics

  • Look for seamless designs

  • Consider compression features

Slim Build:

  • Fitted styles prevent excess fabric

  • Consider ribbed options for added structure

  • Look for materials with some stretch

Price vs. Quality: Making the Right Investment

Budget Options

Quality undershirts don't have to break the bank:

  • Multipacks offer better value

  • Look for sales at department stores

  • Consider store brands from quality retailers

Premium Choices

Why invest more?

  • Better fabrics last longer

  • Superior construction reduces replacement frequency

  • Enhanced comfort and performance

  • Better fit retention

Cost Per Wear Analysis

Consider the long-term value:

  • Premium undershirts often last 2-3 times longer

  • Better performance means fewer needed in rotation

  • Higher quality reduces replacement frequency

Undershirts Made Just For You

Investing in quality undershirts is an investment in your comfort and appearance. Whether you're wearing a custom suit or a casual button-down, the right undershirt can make all the difference. 

Consider your specific needs, budget, and preferences when making your selection, and don't be afraid to try different styles and materials to find your perfect fit.

Remember: The best undershirt is one you forget you're wearing, it should provide comfort and protection while remaining virtually undetectable to others. 

By following this guide and considering your personal needs, you'll be well-equipped to make informed decisions about your undershirt collection.

Elevate your style with StudioSuits and complete your outfit with elegant and refined suites. 

New suites