10 Best Swim Shirts For Men 2025 in the United States

The Roadbox Mens UPF 50+ UV Sun Protection Shirt stands out for its excellent UPF 50+ rating, which offers robust protection against harmful UVA and UVB rays, making it ideal for outdoor activities like fishing, hiking, and swimming. Made from ultra-soft polyester, the shirt is lightweight and designed to provide extreme comfort without restriction.

This material also features quick-drying and moisture-wicking properties, ensuring you stay dry and comfortable during intense activities. The ergonomic design includes a tag-free collar and flat-lock seams to reduce chafing, while raglan sleeves offer a full range of motion for your arms, enhancing comfort during sports.

The long sleeve design adds extra protection from the sun, which is beneficial for prolonged outdoor exposure. The shirt is versatile and well-suited for various outdoor sports, making it a solid choice for active individuals who spend a lot of time outdoors.

The baleaf Men's Long Sleeve Swim Shirt is designed with a lightweight 100% polyester fabric that dries quickly and pulls moisture away from your skin, helping you stay comfortable during water activities or outdoor sports. It offers strong sun protection with a UPF 50+ rating, shielding you from harmful UVA and UVB rays, which is great if you spend extended time outside.

The shirt features long sleeves and raglan sleeves, allowing a good range of motion without feeling too tight, making it suitable for swimming, fishing, or other active pursuits. The flatlock seam construction and tagless collar reduce irritation and chafing, which adds to the comfort when worn for long periods.

Machine washable and easy to wear with a pull-on design, it’s practical for everyday use. However, being made entirely of polyester, it might not feel as soft as some natural fabrics, and the relaxed fit may not appeal to those who prefer a snugger rash guard. For those seeking a reliable, sun-safe swim shirt that balances comfort with functionality, this one is a solid choice.

The O'Neill Wetsuits men's Basic Skins 50+ L/S Rash Guards stand out in the swim shirts for men category, particularly for those who spend a lot of time in the water. With a UPF 50+ rating, this rash guard offers excellent protection against harmful UV rays, making it a solid choice for beach days, surfing, and other outdoor water activities. The Skin Cancer Foundation recommends this product, emphasizing its protective qualities. Made from a comfortable and durable blend of 87% polyester and 13% spandex, it ensures both stretch and resilience, allowing for freedom of movement while you swim or paddle.

The design features minimal seam placement, which not only helps in reducing the risk of chafing but also enhances comfort during extended wear. Its performance fit allows it to hug the body like a second skin, making it feel snug and secure without being restrictive. This can be particularly appealing to active users who enjoy vigorous water sports.

There are a few considerations to keep in mind. The rash guard is designed for a tight fit, which may not appeal to everyone, especially those who prefer a looser style for casual wear. Additionally, the care instructions recommend hand washing only, which could be a hassle for some users looking for low-maintenance options. Lastly, while it’s a great choice for sun protection and comfort, it may not provide insulation in colder waters, so users should pair it with other gear if water temperatures drop.