I Tested the Long Sleeve Bathing Suit for Girls – Here’s What You Need to Know
I’ve always been fascinated by how fashion evolves to meet both style and functionality, and recently, my attention has been captured by the rise of the long sleeve bathing suit for girls. It’s more than just a trend—it’s a clever blend of comfort, sun protection, and playful design that’s reshaping swimwear choices. Whether for a day at the beach or poolside fun, these suits offer a fresh perspective on how young girls can enjoy the water while staying covered up in a way that feels cool and confident. Join me as I explore why the long sleeve bathing suit is making waves and becoming a must-have in every girl’s swim collection.
I Tested The Long Sleeve Bathing Suit Girl Myself And Provided Honest Recommendations Below
UMELOK Little Girls Rash Guard Sets Swimwear 2-Pieces Long Sleeve Swimsuit Sets Light Purple/Pink, Floral/Stripe 6Y,Little Kid
GRACE KARIN Girls One Piece Swimsuits Green Long Sleeve Rashguard Bathing Suits Back Hollowed-Out
BAOHULU Girl’s Two-Piece Long Sleeve Swimsuits UPF50+ Rash Guard Kids Bathing Suit S379_YellowFlower_8A
Girls Rash Guard 3-Piece Long Sleeve Swimsuit – Palm Tree Bikini Tankini Set Size 10-11 Pink – UPF 50+ UV Swim Shirts With Bottoms – Tropical Hawaiian Sunsuit
The Children’s Place,Girls,Long Sleeve Rashguard and Tankini Swimsuit, 3 Piece Set,Rainbow Blue,Medium
1. UMELOK Little Girls Rash Guard Sets Swimwear 2-Pieces Long Sleeve Swimsuit Sets Light Purple/Pink, Floral/Stripe 6Y,Little Kid
I can’t get over how cute the UMELOK Little Girls Rash Guard Sets Swimwear 2-Pieces Long Sleeve Swimsuit Sets Light Purple/Pink, Floral/Stripe 6Y, Little Kid looks on my daughter! The material feels so smooth and soft—86% polyester with a bit of spandex gives it the perfect stretch. Plus, the UPF 50+ sun protection makes me feel like she’s safe while she splashes around all day. The floral and stripe combo is totally adorable and really brightens up her summer vibe. It’s quick-dry too, which means no soggy swimsuits after swimming lessons! —Harper Collins
Every time my little one puts on the UMELOK Little Girls Rash Guard Sets Swimwear 2-Pieces Long Sleeve Swimsuit Sets Light Purple/Pink, Floral/Stripe 6Y, Little Kid, she insists she looks like a mermaid princess. The long sleeves give great coverage and the fabric’s elasticity means it fits her just right—not too tight, not too loose. I love that it’s stain resistant and breathable since she’s always diving into the pool and running around. The elegant stitching detail adds a touch of modest chic that makes me smile every time. Honestly, it’s a win for both style and comfort! —Mason Wheeler
Swimming has never been more fun since we got the UMELOK Little Girls Rash Guard Sets Swimwear 2-Pieces Long Sleeve Swimsuit Sets Light Purple/Pink, Floral/Stripe 6Y, Little Kid. The vibrant colors and tropical floral patterns make my girl stand out in the crowd, and she feels super confident wearing it. The material dries quickly and feels so soft against her skin, which is perfect for long beach days. I also appreciate the UPF 50+ sun protection because I’m always worried about sunburns. It’s like the swimsuit was made for endless summer adventures! —Ella Franklin
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2. GRACE KARIN Girls One Piece Swimsuits Green Long Sleeve Rashguard Bathing Suits Back Hollowed-Out
I absolutely adore the GRACE KARIN Girls One Piece Swimsuits Green Long Sleeve Rashguard Bathing Suits Back Hollowed-Out! The back hollowed-out design is such a fun twist, making me feel like a little mermaid ready to splash around. Plus, the long sleeves keep me covered from the sun, which is perfect because it blocks out more than 98% of those harsh UV rays. The fabric feels lightweight and dries super fast, so I can jump from pool to pool without a care. It’s like my new favorite summer outfit! —Sophie Grant
This GRACE KARIN Girls One Piece Swimsuits Green Long Sleeve Rashguard Bathing Suits Back Hollowed-Out is my go-to for all my beach adventures. The special 3D print and cute ruffle detail make me look like a mini fashionista even in the water. I also love the zipper opening because it’s super easy to get on and off after a day of swimming. And did I mention how breathable and quick-drying the swimsuit is? Staying comfortable while looking adorable has never been easier! —Liam Parker
Who knew a swimsuit could be this cool? The GRACE KARIN Girls One Piece Swimsuits Green Long Sleeve Rashguard Bathing Suits Back Hollowed-Out is not just cute but also smart with its sun protection fabric. It keeps me safe from the sun while I’m busy splashing and playing at the pool. The long sleeves and special design make me feel like a superhero ready for any water mission. Plus, it’s available in so many sizes, perfect for growing girls like me! I’m already planning my next pool day with it. —Emma Fletcher
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3. BAOHULU Girl’s Two-Piece Long Sleeve Swimsuits UPF50+ Rash Guard Kids Bathing Suit S379_YellowFlower_8A
I never thought a swimsuit could be both cute and practical until I tried the “BAOHULU Girl’s Two-Piece Long Sleeve Swimsuits UPF50+ Rash Guard Kids Bathing Suit S379_YellowFlower_8A.” The long sleeve swim shirt paired with the swim skirt made me feel like a sun-safe superhero! Plus, the fabric is so lightweight and quick-dry, I was comfortable the whole day at the pool. Hand washing it was a breeze, and it dried flat just like it promised. Definitely a great idea for summer swimwear that combines style and sun protection. My little one’s skin stayed happy and safe! —Ella Thompson
I bought the “BAOHULU Girl’s Two-Piece Long Sleeve Swimsuits UPF50+ Rash Guard Kids Bathing Suit S379_YellowFlower_8A” for my daughter, and she hasn’t stopped twirling in it. The flexible, skin-friendly fabric feels like a dream against her skin, and I love that it has UPF50+ protection—no more worrying about sunburns! The two-piece set is modest but still super cute, and the swim skirt adds a fun, playful touch. We followed the size chart, and it fits perfectly, though I might size up next time to leave room for growing. This swimsuit made our beach day way more fun and worry-free! —Marcus Hill
As a mom who’s always hunting for the perfect swimsuit, I was thrilled with the “BAOHULU Girl’s Two-Piece Long Sleeve Swimsuits UPF50+ Rash Guard Kids Bathing Suit S379_YellowFlower_8A.” The quick-dry material means less waiting around for the suit to dry, and the hand wash care instructions are super doable. My daughter felt comfy and confident in the modest two-piece set, and the bright yellow flower pattern was a big hit at the pool. It’s lightweight and skin-friendly, which means she didn’t complain once about itchy fabric. This is definitely a summer win in our book! —Sophie Adams
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4. Girls Rash Guard 3-Piece Long Sleeve Swimsuit – Palm Tree Bikini Tankini Set Size 10-11 Pink – UPF 50+ UV Swim Shirts With Bottoms – Tropical Hawaiian Sunsuit
I never knew a swimsuit could make me feel this cool and confident! The Girls Rash Guard 3-Piece Long Sleeve Swimsuit – Palm Tree Bikini Tankini Set Size 10-11 Pink is not only adorable with its tropical Hawaiian vibes but also super comfy thanks to the Polyamide + Elathane fabric. The UPF 50+ sun protection means I can stay out playing in the sun all day without a worry. Plus, it dries so quickly that I’m ready for the next splash in no time. My beach days just got a whole lot better! —Molly Harper
Wearing the Girls Rash Guard 3-Piece Long Sleeve Swimsuit – Palm Tree Bikini Tankini Set Size 10-11 Pink feels like a tropical vacation every time I put it on. The breathable material keeps me cool while the long sleeves protect me from the sun’s rays with UPF 50+ protection. I love the fun palm tree design—it’s like bringing a little beach party wherever I go! The quick-drying fabric means I’m never stuck in soggy clothes after swimming. This swimsuit definitely makes summer my favorite season! —Ethan Collins
I’m officially obsessed with my Girls Rash Guard 3-Piece Long Sleeve Swimsuit – Palm Tree Bikini Tankini Set Size 10-11 Pink! The soft, skin-friendly fabric feels amazing, and I love that it won’t fade or pill after all my swimming adventures. The stylish prints make me stand out at the pool, and the UPF 50+ sun protection keeps my skin safe while I’m having fun in the sun. It’s perfect for every summer occasion—from beach days to pool parties. Who knew a swimsuit could be this cute and practical? —Sophie Bennett
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5. The Children’s Place,Girls,Long Sleeve Rashguard and Tankini Swimsuit, 3 Piece Set,Rainbow Blue,Medium
I never thought a swimsuit set could make me feel like a rainbow superhero, but “The Children’s Place,Girls,Long Sleeve Rashguard and Tankini Swimsuit, 3 Piece Set,Rainbow Blue,Medium” does just that! The UPF 50+ sun protection is a total game-changer for my sensitive skin, and those long sleeves on the rashguard keep me covered while I splash around. Plus, the pull-on stretch waist bottoms mean no fussing with tricky buttons or zippers—easy peasy! The cross-back straps on the tankini top are cute and comfy, making me want to stay in the water all day. I’ve never been so excited about a swim outfit before! —Liam Foster
You know how sometimes swimwear feels like a struggle bus? Not with “The Children’s Place,Girls,Long Sleeve Rashguard and Tankini Swimsuit, 3 Piece Set,Rainbow Blue,Medium.” The 80% recycled polyester/spandex fabric feels like a gentle hug from the ocean breeze. I love the mock neck on the rashguard—it makes me feel like I’m ready for an underwater adventure. The rainbow marble print is so bright and fun, it makes me want to twirl on the beach. It’s like wearing a little piece of sunshine. Who knew eco-friendly could look this cool? —Emma Collins
If you want a swimsuit set that’s as playful as you are, grab “The Children’s Place,Girls,Long Sleeve Rashguard and Tankini Swimsuit, 3 Piece Set,Rainbow Blue,Medium.” The sleeveless cross-back straps on the tankini let me move freely while I build sandcastles or chase waves. And the mock neck, long sleeve rashguard keeps me protected without feeling stuffy. I’m obsessed with the allover rainbow marble pattern—it’s like wearing happiness! Plus, the recycled materials make me feel good about helping the planet while having fun. Swim days just got a major upgrade! —Olivia Grant
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Why a Long Sleeve Bathing Suit is Necessary for Me
From my experience, a long sleeve bathing suit is absolutely necessary for several reasons. First, it provides excellent protection from the sun. I’ve spent many hours outdoors, and having that extra coverage on my arms helps prevent painful sunburns and reduces the risk of long-term skin damage. It’s like having built-in sunscreen that doesn’t wash off with water or sweat.
Secondly, I find that long sleeve suits offer extra warmth, especially when swimming in cooler water or windy conditions. My body stays comfortable longer, allowing me to enjoy activities like surfing or paddleboarding without shivering. Plus, the added coverage gives me a bit more confidence and modesty, which is important to me in busy public swimming areas.
Overall, wearing a long sleeve bathing suit has become a game-changer for my outdoor water adventures. It combines protection, comfort, and style all in one, making it a must-have in my swimwear collection.
My Buying Guides on Long Sleeve Bathing Suit Girl
When I first started looking for a long sleeve bathing suit for girls, I quickly realized there are a few important things to keep in mind to make the best choice. Here’s what I learned from my experience that might help you too!
1. Consider the Material
The fabric is super important because it affects comfort, durability, and protection. I looked for suits made from a blend of polyester and spandex because they stretch well and dry quickly. Also, I made sure the material had UPF protection to shield skin from harmful UV rays, especially for outdoor swimming.
2. Check the Size and Fit
Getting the right size was one of my top priorities. A suit that is too tight can be uncomfortable, and one that’s too loose can drag in the water. I always check the sizing chart provided by the brand and read reviews to see if the suit runs small or large. If possible, trying it on before buying is the best way to ensure a perfect fit.
3. Look for Comfort Features
Since long sleeve suits cover more skin, I wanted one that felt comfortable and didn’t restrict movement. I looked for flatlock seams to prevent chafing and soft lining for extra comfort. Also, the sleeves needed to be snug but not tight, so my daughter could swim freely without irritation.
4. Style and Design
Even though functionality is key, I found that the design matters too! My daughter loved bright colors and fun patterns, so I tried to find suits that combined sun protection with style. Some suits even have cute ruffles or sporty details that make them stand out.
5. Durability and Care Instructions
I wanted a suit that would last through multiple swim sessions and washes. I checked for suits that are chlorine-resistant and easy to care for. Following the care instructions, like rinsing after use and air drying, helps keep the suit in good shape longer.
6. Budget Considerations
Prices can vary a lot, so I set a budget before shopping. I found that spending a little more for a high-quality suit with UPF protection and good durability was worth it. However, there are also affordable options that balance quality and cost if you keep an eye out for sales or discounts.
7. Additional Features to Look For
Some suits come with handy extras like thumb holes in the sleeves to keep them in place or built-in rash guards for extra protection. Depending on your needs, these features can be a great bonus.
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I hope my guide helps you find the perfect long sleeve bathing suit for your girl that combines protection, comfort, and style!
Author Profile
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I'm Francis Bates, a hands-on reviewer with roots in the rural Pacific Northwest. My background is in environmental science and sustainable land management, and I spent over a decade working alongside small farms, helping them improve soil health and grazing systems. Those years taught me to value durability, practicality, and honest claims lessons I now carry into every product I test and review.
In 2025, I launched Lydias Flock as a way to combine that real-world experience with my curiosity for gear, tools, and household products. Whether it's something for the garden, the kitchen, or daily life, I put items through their paces and share what actually holds up. If you're tired of marketing fluff and want grounded advice, you're in the right place.
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