10 Best Mens Undershirts 2025 in the United States

The Gildan Men's Crew T-Shirts, Style G1100, come in a convenient multipack of six, offering solid value for anyone looking to stock up on basic white undershirts. Made from 100% cotton, these shirts promise a soft, breathable fabric that should feel comfortable against the skin. The moisture-wicking technology is a notable feature, aiming to keep you cool and dry throughout the day, which makes these shirts particularly appealing for warmer climates or active wearers.

The fit of the shirts is described as classic, with a length designed for easy tucking, making them a practical choice for layering under dress shirts or casual wear. The lay-flat collar is a nice touch, providing a neat appearance without the annoyance of curling. Additionally, the tag-free design is a thoughtful detail to prevent irritation around the neck, which is often a common issue with undershirts.

However, while these undershirts excel in comfort and basic functionality, their style is rather plain, limited to a crew neckline and standard short sleeves. The all-white color might not be ideal for those looking for a variety of colors to suit different styles or preferences. Also, being 100% cotton, these shirts may shrink after washing unless careful attention is paid to the care instructions. Manufactured in Honduras, the Gildan brand is well-known for its durable stitching, which suggests these shirts could withstand regular washing and wearing. The pull-on closure type and machine washability add to their convenience. These undershirts are a solid choice for men seeking basic, reliable comfort for everyday use, with durability and moisture management as standout features, but may not cater to those looking for more fashion-forward or varied options.

The Fruit of the Loom Men's Tag-Free Cotton Undershirts in a 6-pack are designed with comfort and fit in mind, especially for bigger sizes like 5X-Large. Made from 100% cotton with Eversoft fabric, these undershirts promise a soft feel that lasts through many washes. They have extra width in the body and more generous arm and neck openings, which is great if you prefer a looser fit or need room around the shoulders and chest.

The crew neckline is classic and versatile, fitting well under most shirts without showing. These undershirts have short sleeves, making them suitable for layering under casual or dress shirts. All shirts come in white, which is ideal for wearing under lighter-colored outerwear but limits color options if you want something different. Being tag-free adds comfort by avoiding irritation on the neck.

The fabric is 100% cotton, so it might shrink a bit after washing and take longer to dry compared to blends. Since the pack includes only white, you won’t have variety in color. For men looking for affordable, comfortable, and roomy cotton undershirts in larger sizes, this product fits well, especially if you want classic styling and soft fabric without extra frills.

The Fruit of the Loom Men's Lightweight Active Cotton Blend Undershirts come in an 8-pack of white crew t-shirts designed for comfort and functionality. Made from a 50% cotton and 50% polyester blend, these undershirts offer the benefits of both fabrics. The cotton provides softness, while the polyester enhances moisture-wicking properties, keeping you cool and dry throughout the day. The fabric blend also means the shirts are less bulky, making them ideal for layering under other clothing without adding extra weight or restriction.

The tag-free design adds to the all-day comfort, eliminating the irritation that tags can sometimes cause. These undershirts feature a classic crew neckline and short sleeves, providing a standard fit that works well with a variety of outfits. They are machine washable and easy to care for, requiring only cold water, non-chlorine bleach, and a low tumble dry setting.

One downside is that the color options are limited to white, which may not provide the versatility some users are looking for in their wardrobe. Additionally, the blend of cotton and polyester might not appeal to those who prefer 100% natural fabrics. These shirts are imported from El Salvador. These undershirts are a good choice for men looking for comfortable, moisture-wicking t-shirts suitable for everyday wear and layering.