10 Best Long Sleeve Swim Shirts 2026 in the United States

The O'Neill Wetsuits Men's Basic Skins UPF 50+ Long Sleeve Rash Guard is designed for various water activities, including surfing, swimming, and paddle sports. This shirt is made from a blend of 87% polyester and 13% spandex, offering a comfortable yet durable construction. The 6-ounce fabric ensures a form-fitting, tight layer that fits like a second skin, which can be beneficial for active movements in water. It also features a UPF 50+ rating, providing excellent protection against harmful UV rays, a crucial factor for long hours under the sun.

The flatloc stitching and minimal seam placement help reduce the chances of skin irritation and rashes, enhancing comfort during extended use. Additionally, the shirt is quick-drying and has a four-way stretch, making it practical for various water sports and beach activities. The performance fit, being very form-fitting, may not be comfortable for everyone, especially those who prefer a looser fit. Also, the pull-on closure might not be as convenient for taking on and off compared to zippered options.

Despite these minor drawbacks, this rash guard is highly recommended for individuals who spend a lot of time in the sun and water, offering both protection and performance.

The Roxy Women's Fitted Rashguard is a solid choice for those seeking a long-sleeve swim shirt that offers strong sun protection with its UPF 50+ rating, keeping your skin safe during extended outdoor activities. Made from a blend of polyester and elastane, the fabric is quick-drying and stretchy, which helps keep you comfortable both in and out of the water. This shirt features a compression fit, meaning it hugs the body closely to provide support and a sleek silhouette, though this might feel tight or restrictive if you prefer a looser fit.

The flatlock seams reduce chafing, making it a good option for active sports like surfing, hiking, or yoga. Its durability stands out, designed to handle tough conditions without losing shape or comfort. Style-wise, the bright white color and feminine cut make it an attractive piece that can easily mix with bikini bottoms or workout gear. However, if you want something more relaxed or prefer less compression, you might want to explore other fits.

This rashguard performs well for women who want a performance-oriented, versatile top that balances fashion with practical features like moisture-wicking and sun defense.

The Speedo Men's UV Swim Shirt is a solid choice for anyone needing reliable sun protection during water activities. Made from 100% polyester, it offers a lightweight and quick-drying feel, which helps keep you comfortable when transitioning from water to land. Its standout feature is the UPF 50+ rating, which blocks about 98% of harmful UV rays, making it excellent for long hours in the sun. The regular fit and long sleeves provide good coverage without feeling overly tight, which is great if you want freedom of movement without compromising protection.

The crewneck style is simple and classic, though some might prefer a zipper or collar for added sun protection around the neck. The shirt uses a pull-on closure, which is easy to wear but means it doesn’t have adjustable features for a custom fit. It’s designed to be hand washed, so it may require more care than typical machine-washable swimwear. Speedo products generally have flat seams to reduce irritation and enhance comfort.

This swim shirt is well suited for swimmers or outdoor enthusiasts who want effective sun protection and quick drying. However, if you need more tailored fit options or easier care, other choices might be more appropriate.