Best Long Sleeve Rash Guard Shirts for Boys of 2026

Mary Hopper Avatar
Mary Hopper
Last Updated: Jan 27, 2026

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Long Sleeve Rash Guard Shirts are a must-have for active boys who love spending time in the water. These shirts provide excellent sun protection with their UPF 50+ rating, shielding delicate skin from harmful UV rays. Made from high-quality, quick-drying fabric, these rash guard shirts ensure maximum comfort and durability, even during intense water activities. The long sleeves offer added coverage and protection against scrapes and abrasions, making them ideal for surfing, swimming, or any water sport. With their vibrant colors and stylish designs, boys will not only stay safe but also look cool and confident in these long sleeve rash guard shirts.

At a Glance: Our Top Picks

RUGGEDBUTTS Long Sleeve Rash Guard 4T Cover #TOP 1
RUGGEDBUTTS Long Sleeve Rash Guard 4T
ftb score rating icon 9.9
Speedo Swim Aqua Fitness Jogbelt Cover #TOP 2
Speedo Swim Aqua Fitness Jogbelt
ftb score rating icon 9.8
Sylfairy Boys UPF50+ Rash Guard Swim Set Cover #TOP 3
Sylfairy Boys UPF50+ Rash Guard Swim Set
ftb score rating icon 9.6

Top 10 Long Sleeve Rash Guard Shirts for Boys

#TOP 1

RUGGEDBUTTS Long Sleeve Rash Guard 4T

White
RUGGEDBUTTS Long Sleeve Rash Guard 4T Cover
RUGGEDBUTTS Long Sleeve Rash Guard - White - 4T

The RUGGEDBUTTS Rash Guard is designed to protect your little boy's sensitive skin with built-in UPF 50+ sun protection, helping you worry less about harmful UV rays while he plays outdoors. Made from high-quality, fade-resistant fabric, this rash guard is durable yet soft, ensuring comfort throughout the day. Crafted in the USA, it meets quality standards you can trust. Plus, its fun and practical design makes it perfect for active days spent in the sun, water, or sand, giving your child the freedom to enjoy every moment without restriction.

What We Like
UPF 50+ sun protection
High quality material
Comfortable fit
Easy to put on
Stylish designs
#TOP 2

Speedo Swim Aqua Fitness Jogbelt

USXAQUAFITNESSJOGBELT
Charcoal/Red
Large-X-Large
Speedo Swim Aqua Fitness Jogbelt Cover
Speedo Boy's Uv Swim Shirt Long Sleeve Tee Graphic , Washed Navy, X-Small

The Speedo Aqua Fitness Jogbelt is a versatile swim belt designed for cross-training and rehabilitation purposes. It is constructed of chlorine-resistant foam, ensuring durability and longevity. The adjustable waist belt features a quick-release button, allowing for easy fitting and removal. With a belt that adjusts to fit waist sizes from 25" to 56", it offers a comfortable and secure fit for a wide range of users. This swim belt is ideal for those looking to improve their swimming technique and strength, as well as for individuals recovering from injuries. Its foam construction provides buoyancy and support, making it a valuable tool for water-based exercises. Whether you're a fitness enthusiast or someone in need of rehabilitation, the Speedo Aqua Fitness Jogbelt is a reliable and convenient choice.

What We Like
Stays securely in place
Highly adjustable fit
Excellent flotation support
Durable and high quality
Low-impact workout aid
#TOP 3

Sylfairy Boys UPF50+ Rash Guard Swim Set

Blue Coconut Tree
12-14 Years
Sylfairy Boys UPF50+ Rash Guard Swim Set Cover
Boys Rash Guard Swim Set with Swim Trunks Bathing Suit Long Sleeve Swim Shirt Quick Dry Swimsuit Kids Coconut Tree Swimwear Size 14-16

The Sylfairy Boys Swim Set offers a comfortable and flexible fit thanks to its soft polyester and spandex blend, making it easy for your child to move freely during summer activities. The UPF50+ protection and long sleeves help shield your child's skin from harmful sun rays, allowing worry-free fun outdoors. The swim trunks include an adjustable drawstring waist and elastic band, ensuring a snug fit that grows with your child. Plus, the trunks feature handy side pockets to keep small items close by. With vibrant, fade-resistant coconut tree and game controller prints, this set is perfect for beaches, pools, and water parks.

What We Like
Soft, stretchy fabric
UPF50+ sun protection
Adjustable waist with drawstring
Side pockets on swim trunks
Durable, colorful print
#TOP 4

Roadbox Boys UPF 50+ Rash Guard Shirt

4uSWXFZB1304045-09-blue+MintGreen:M
Medium
Roadbox Boys UPF 50+ Rash Guard Shirt Cover
Roadbox Boys Rash Guard Swim Shirt UPF 50+ Long Sleeve Sun Protection Shirts, Kids UV Athletic Beach Quick Dry Rashguard

The Roadbox Boys Rash Guard offers excellent sun protection with UPF 50+ fabric that shields your child’s skin from harmful UV rays during outdoor play. It’s designed to dry quickly thanks to moisture-wicking technology, keeping your child comfortable whether they’re sweating or fresh out of the water. The shirt is lightweight and breathable, making it perfect for hot weather and helping your child stay cool during activities like hiking or running. Plus, its versatile design means it’s great for various outdoor adventures, from beach days to fishing trips, ensuring your child stays protected and comfortable all day long.

What We Like
Excellent sun protection
Quick-drying material
Lightweight and breathable fabric
True to size fit
Good value bundle
#TOP 5

Hurley Boys Volt Long Sleeve Rash Guard

983716-F68
Volt
Small
Hurley Boys Volt Long Sleeve Rash Guard Cover
Hurley Boys Long Sleeve Rash Guard Shirt, Volt, S

The Hurley Boys Rash Guard is designed to keep you comfortable and protected during outdoor activities. Its double jersey fabric offers a cozy, warm feel, perfect for active adventures. The shirt features moisture-wicking technology that helps keep sweat away from your skin, so you stay dry and fresh. It also provides UPF 50 protection, shielding your skin from harmful UV rays when you're out in the sun. With a crew neck and long sleeves, this rash guard allows for easy movement and all-day comfort, making it a reliable choice for boys who love to stay active.

What We Like
Warm double jersey fabric
Moisture-wicking technology
UPF 50 sun protection
Comfortable crew neck design
#TOP 6

Gerber Toddler Rashguard Swimsuit 6-9 Months

437231
Surfboard
6-9 Months
Gerber Toddler Rashguard Swimsuit 6-9 Months Cover
Gerber Baby Boys Toddler Long Sleeve One Piece Sun Protection Rashguard Swimsuit, Surfboard, 6-9 Months

The Gerber Toddler Rashguard is designed to keep your little one comfortable and protected during water play. It features a half-length zipper with a neckline guard, making it easy for you to dress your child while preventing irritation around the neck. The swimsuit is made with UPF 50+ fabric, offering strong protection against harmful sun rays, so you can feel confident about your child's skin safety. Its quick-drying material helps reduce the chance of rashes caused by prolonged wetness, ensuring your toddler stays comfortable throughout their swim time. This rashguard is a practical choice for sunny, active days by the water.

What We Like
Easy half-length zipper
Neckline protector
UPF 50+ sun protection
Quick-drying fabric
#TOP 7

Elite Sports Rash Guards for Boys and Girls

ETR585K
Black
Small
Elite Sports Rash Guards for Boys and Girls Cover
Elite Sports Rash Guards for Boys and Girls, Full Sleeve Compression BJJ Kids and Youth Rash Guard Black

Introducing the Elite Sports Kids Rash Guards, the perfect choice for young athletes. Made with a lightweight and breathable fabric blend of polyester and spandex, these long sleeve rash guards offer the highest level of comfort and durability. The 4-way stretch feature allows for unrestricted movement, making it ideal for various sports including MMA, BJJ, Jiu-Jitsu, and more. With flatlock stitching and a non-chaffing material, these rash guards are designed to last long and provide a comfortable wearing experience. The compression material improves blood flow, boosting performance and recovery time. Plus, the fully sublimated graphics won't crack, fade, or peel. Suitable for martial arts tournaments, these rash guards are a must-have for any young athlete.

What We Like
Comfortable compression fit
Durable material
Moisture-wicking and breathable
Accurate sizing
Stylish design
#TOP 8

DRONIRING Boys UPF 50+ Long Sleeve Swim Shirt

layout1304095-20-white:S
Crew Neck-white
Small
DRONIRING Boys UPF 50+ Long Sleeve Swim Shirt Cover
Boys UPF 50+ Swim Shirt Long Sleeve, 1 or 2 Pack UV Sun Protection Rash Guard, Youth Kids SPF Water Shirts for Beach Surf

The DRONIRING Boys Swim Shirt offers strong sun protection with its UPF 50+ fabric that blocks most harmful UV rays, keeping your child safe during long outdoor activities. Its lightweight material dries quickly, so your child stays comfortable and dry whether swimming or playing. The shirt’s tagless design and smooth seams prevent irritation, making it ideal for kids with sensitive skin. Plus, the long sleeves and crew neck provide extra coverage to shield skin from sand and surfboard rubs. This shirt is a great choice for active boys enjoying beach days or outdoor adventures.

What We Like
Excellent sun protection
True to size fit
Lightweight and comfortable
Quick-drying material
Durable in chlorine
#TOP 9

SwimZip Boys' Long Sleeve Rashguard UPF 50+

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White
SwimZip Boys' Long Sleeve Rashguard UPF 50+ Cover
SwimZip Little Boys' Long Sleeve Rashguard Zipper UPF 50+,White,3T

The SwimZip Boys Rashguard offers excellent sun protection with its UPF 50+ rating, blocking nearly all harmful UVA and UVB rays to keep your child safe during outdoor play. Certified by the Skin Cancer Foundation, it ensures top-quality sun defense you can trust. The full-length front zipper makes dressing and undressing quick and hassle-free, especially when the shirt is wet, preventing tears and frustration. Designed with comfort in mind, this rashguard features a tagless neck and flat-lock seams to avoid irritation, plus a protective flap over the zipper to prevent pinching. It's a convenient and reliable choice for your child's swimwear needs.

What We Like
UPF 50+ Sun Protection
Skin Cancer Foundation Certified
Easy Full-Length Zipper
Comfortable Flat-Lock Seams
Protective Zipper Flap
#TOP 10

Smarash UPF50+ Boys Long Sleeve Rash Guard

White
18-24 Months
Smarash UPF50+ Boys Long Sleeve Rash Guard Cover
Boys Rash Guard Long Sleeve Sun Protection UPF50+ T Shirts Rashguard Swim SPF Surf ShirtsQuick Dry Cool Beach Clothes for Toddler Babies Infant Kids White 18-24M

The Smarash Kids Rash Guard offers excellent sun protection with its UPF 50+ fabric, blocking harmful UVA and UVB rays to keep your child safe during outdoor play. Its quick-dry material dries three times faster than regular swimwear, making it perfect for moving from the pool to other activities without discomfort. Designed with sensitive skin in mind, this rash guard features a tagless, chafe-free design and soft seams to prevent irritation, ideal for kids with eczema. Plus, it is durable enough to handle over 50 chlorine washes without fading, while resisting stains from sunscreen and snacks, making it easy for busy parents to maintain.

What We Like
UPF 50+ sun protection
Quick-dry fabric
Hypoallergenic, soft design
Chlorine and stain resistant
Buying Guide Image
Editor's Notes

During our long sleeve rash guard shirt for boys research, we found 48 long sleeve rash guard shirt for boys products and shortlisted 10 quality products. We collected and analyzed 44,438 customer reviews through our big data system to write the long sleeve rash guard shirts for boys list. We found that most customers choose long sleeve rash guard shirts for boys with an average price of $18.13.

The long sleeve rash guard shirts for boys are available for purchase. We have researched hundreds of brands and picked the top brands of long sleeve rash guard shirts for boys, including RUGGEDBUTTS, Speedo, Sylfairy, Roadbox, Hurley. The seller of top 1 product has received honest feedback from 141 consumers with an average rating of 4.9.

Written by
Mary Hopper Avatar

Mary Hopper is an Italian fashion designer with 10 years of extensive working experience in the fashion industry. She can design clothing and fashion accessories, such as handbags, backpacks, shoes, and jewelry. She is also a professionally trained content writer specializing in managing various fashion and beauty blogs.