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10 Best Long Sleeve Swim Shirts 2025 in the United States

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Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

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Our Top Picks

#1

Winner

O' NEILL Men's Standard O'Neill Basic Skins UPF 50+ Long Sleeve Sun Shirt, White, Large

Rating
10.0
Chosen by1,208
Material
UPF Rating
Fit

Most important from
5624 reviews

Material
Durable and well-made with strong fabric that lasts long, even with regular use in chlorine pools and ocean saltwater.
UPF Rating
Provides total sun protection, effectively blocking harmful UV rays better than SPF 50 sunscreen.
Fit
Perfect for both beach activities and casual swimming, providing a comfortable fit and stylish look.
Seam Construction
Maintains comfort and performance with minimal seam placement, reducing the risk of rashes during activities.
Moisture-Wicking
Ideal for water parks and high-heat environments, keeping you cool as water evaporates.
Design and Style
Top quality sun protection and swimming comfort, offering excellent durability and flexibility.

The O'NEILL Men's Standard O'Neill Basic Skins UPF 50+ Long Sleeve Sun Shirt in white, size large, is a versatile option for anyone engaging in water activities. It is made from a comfortable blend of 87% polyester and 13% spandex, which offers both durability and flexibility. The shirt provides excellent sun protection with a UPF 50+ rating, making it a great choice for long days at the beach or on the water.

The shirt is recommended by the Skin Cancer Foundation, ensuring that it effectively blocks harmful UV rays. The slim fit design ensures it fits close to the body without being too tight, offering a balance between comfort and performance. The minimal seam placement is a thoughtful feature that enhances comfort by reducing the risk of rashes during activities like surfing or swimming. One drawback is the 'hand wash only' care instruction, which may be inconvenient for some users who prefer machine-washable garments.

Additionally, the shirt's white color, while stylish, may show stains and wear more easily over time compared to darker colors. This sun shirt is particularly well-suited for surfing, swimming, paddle sports, boating, and general beach use. It's a solid choice for those looking for effective sun protection and comfort without sacrificing mobility.

Rating
10.0
Chosen by1,208
Material
UPF Rating
Fit

Most important from
5624 reviews

Material
Durable and well-made with strong fabric that lasts long, even with regular use in chlorine pools and ocean saltwater.
UPF Rating
Provides total sun protection, effectively blocking harmful UV rays better than SPF 50 sunscreen.
Fit
Perfect for both beach activities and casual swimming, providing a comfortable fit and stylish look.
Seam Construction
Maintains comfort and performance with minimal seam placement, reducing the risk of rashes during activities.
Moisture-Wicking
Ideal for water parks and high-heat environments, keeping you cool as water evaporates.
Design and Style
Top quality sun protection and swimming comfort, offering excellent durability and flexibility.
#2

Kanu Surf Men's CB Rashguard UPF 50+ Swim Shirts (Regular & Extended Sizes), Black, X-Large

Rating
10.0
Material
UPF Rating
Fit

Most important from
33512 reviews

Material
The fabric is soft, breathable, and fits perfectly, making it ideal for a day at the beach or pool.
UPF Rating
UPF 50 protection ensures you won't turn into a 'boiled lobster' under the sun.
Fit
Although comfortable, be cautious with sizing; going a size up may result in a looser fit and increased water retention.
Moisture-Wicking
Easy to clean and quick to dry, making it convenient for frequent use.
Design and Style
Versatile design works well for various activities, from surfing to lounging by the pool.

The Kanu Surf Men's Standard Short Sleeve UPF 50 Swim Rash Guard Sun Shirt promises excellent sun protection with a UPF 50 rating, making it ideal for outdoor activities. The quick-dry, moisture-wicking fabric ensures that you stay comfortable and dry, even during intense activities like swimming or running.

Its lightweight, breathable material combined with raglan sleeves and flat-lock seams enhances comfort for all-day wear, reducing irritation and chafing. This shirt is both durable and retains its shape and performance after multiple washes, which is great for regular use. The design is versatile, allowing it to function well for various activities beyond swimming, such as fishing, hiking, and running.

However, it's important to note that this shirt is short-sleeved, which may not provide as much coverage as a long-sleeve swim shirt. Those seeking maximum sun protection might want to consider this limitation. Additionally, while the polyester fabric is durable, some users may prefer a blend that includes natural fibers for a different feel. The simple pull-on closure adds to the ease of use, and it's convenient that it's machine washable. This shirt is a solid choice for those looking for a reliable, multi-use sun protection garment, but shouldn't be mistaken for a long-sleeve option.

Rating
10.0
Material
UPF Rating
Fit

Most important from
33512 reviews

Material
The fabric is soft, breathable, and fits perfectly, making it ideal for a day at the beach or pool.
UPF Rating
UPF 50 protection ensures you won't turn into a 'boiled lobster' under the sun.
Fit
Although comfortable, be cautious with sizing; going a size up may result in a looser fit and increased water retention.
Moisture-Wicking
Easy to clean and quick to dry, making it convenient for frequent use.
Design and Style
Versatile design works well for various activities, from surfing to lounging by the pool.
#3

O'Neill Wetsuits Men's Basic Skins UPF 50+ Long Sleeve Rash Guard, Black, Large

Rating
9.9
Material
UPF Rating
Fit

Most important from
7249 reviews

Material
Quick-drying material, just wash it in the shower and it's dry by morning.
UPF Rating
It provides excellent sun protection, crucial for long hours in the sun.
Fit
Fits like a second skin, designed to be form-fitting and tight.
Seam Construction
The collar has a regular stitch, not a flat stitch, unlike the rest of the shirt.

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.

Rating
9.9
Material
UPF Rating
Fit

Most important from
7249 reviews

Material
Quick-drying material, just wash it in the shower and it's dry by morning.
UPF Rating
It provides excellent sun protection, crucial for long hours in the sun.
Fit
Fits like a second skin, designed to be form-fitting and tight.
Seam Construction
The collar has a regular stitch, not a flat stitch, unlike the rest of the shirt.

Buying Guide for the Best Long Sleeve Swim Shirts

Choosing the right long-sleeve swim shirt can make a big difference in your comfort and protection while enjoying water activities. These shirts are designed to provide sun protection, reduce chafing, and keep you comfortable in and out of the water. When selecting a long-sleeve swim shirt, consider the following key specifications to ensure you pick the best fit for your needs.
MaterialThe material of a swim shirt is crucial because it affects comfort, durability, and performance. Common materials include polyester, nylon, and spandex blends. Polyester is durable and resistant to chlorine, making it a good choice for pool use. Nylon is lightweight and quick-drying, ideal for beach activities. Spandex provides stretch for a snug fit. Consider your primary use and choose a material that offers the right balance of comfort and functionality.
UPF RatingUPF (Ultraviolet Protection Factor) rating indicates how effectively the fabric blocks UV radiation. A higher UPF rating means better protection. UPF 50+ is considered excellent and blocks 98% of UV rays, making it ideal for extended sun exposure. If you plan to spend a lot of time outdoors, especially in direct sunlight, opt for a higher UPF rating to protect your skin from harmful UV rays.
FitThe fit of a swim shirt can impact both comfort and performance. Swim shirts come in various fits, including loose, regular, and snug. A loose fit offers more comfort and breathability, suitable for casual wear and relaxed activities. A regular fit provides a balance between comfort and performance, ideal for moderate activities. A snug fit is designed for active water sports, reducing drag and staying in place during movement. Choose a fit based on your activity level and personal comfort preference.
Seam ConstructionSeam construction affects the durability and comfort of the swim shirt. Flatlock seams are common in high-quality swim shirts because they lie flat against the skin, reducing chafing and irritation. Reinforced seams add durability, especially in high-stress areas. If you plan to engage in vigorous activities or wear the shirt for extended periods, look for flatlock or reinforced seams to ensure comfort and longevity.
Moisture-WickingMoisture-wicking properties help keep you dry and comfortable by drawing sweat away from your skin. This feature is particularly important if you plan to wear the swim shirt for extended periods or during high-intensity activities. Look for materials that advertise moisture-wicking capabilities to ensure you stay cool and dry.
Design and StyleWhile functionality is key, the design and style of the swim shirt can also be important. Consider factors like color, pattern, and additional features such as zippered pockets or thumbholes. Choose a design that you feel confident and comfortable in, as this can enhance your overall experience. Additionally, brighter colors and reflective elements can improve visibility in the water, which is a safety consideration.

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