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 Men's Basic Skins Rash Guard offers solid sun protection with a UPF 50+ rating, making it a reliable choice for anyone spending time outdoors in the sun. It's made from a comfortable and stretchy blend of polyester and spandex, which ensures a snug, performance-oriented fit that feels like a second skin. This tight fit is great for active water sports like surfing, swimming, or paddleboarding because it reduces drag and stays in place.

The short sleeves provide decent coverage without overheating, while minimal seams help prevent skin irritation and chafing, enhancing comfort during movement. Additionally, the fabric dries quickly and manages moisture well, which is important for staying comfortable both in and out of the water. One downside is that it requires hand washing, which can be less convenient compared to machine-washable swim shirts.

If you want a durable, sun-protective rash guard with a close fit for active water sports or beach days, this O'Neill model fits the bill nicely, especially for those who prioritize sun safety and performance.